18642420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 64512000

約数和(自身を除く): 45869580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 79, 90, 92, 95, 108, 114, 115, 135, 138, 158, 171, 180, 190, 207, 228, 230, 237, 270, 276, 285, 316, 342, 345, 380, 395, 414, 437, 460, 474, 513, 540, 570, 621, 684, 690, 711, 790, 828, 855, 874, 948, 1026, 1035, 1140, 1185, 1242, 1311, 1380, 1422, 1501, 1580, 1710, 1748, 1817, 2052, 2070, 2133, 2185, 2370, 2484, 2565, 2622, 2844, 3002, 3105, 3420, 3555, 3634, 3933, 4140, 4266, 4370, 4503, 4740, 5130, 5244, 5451, 6004, 6210, 6555, 7110, 7268, 7505, 7866, 8532, 8740, 9006, 9085, 10260, 10665, 10902, 11799, 12420, 13110, 13509, 14220, 15010, 15732, 16353, 18012, 18170, 19665, 21330, 21804, 22515, 23598, 26220, 27018, 27255, 30020, 32706, 34523, 36340, 39330, 40527, 42660, 45030, 47196, 49059, 54036, 54510, 58995, 65412, 67545, 69046, 78660, 81054, 81765, 90060, 98118, 103569, 109020, 117990, 135090, 138092, 162108, 163530, 172615, 196236, 202635, 207138, 235980, 245295, 270180, 310707, 327060, 345230, 405270, 414276, 490590, 517845, 621414, 690460, 810540, 932121, 981180, 1035690, 1242828, 1553535, 1864242, 2071380, 3107070, 3728484, 4660605, 6214140, 9321210, 18642420]

約数ペア:

[(1, 18642420), (2, 9321210), (3, 6214140), (4, 4660605), (5, 3728484), (6, 3107070), (9, 2071380), (10, 1864242), (12, 1553535), (15, 1242828), (18, 1035690), (19, 981180), (20, 932121), (23, 810540), (27, 690460), (30, 621414), (36, 517845), (38, 490590), (45, 414276), (46, 405270), (54, 345230), (57, 327060), (60, 310707), (69, 270180), (76, 245295), (79, 235980), (90, 207138), (92, 202635), (95, 196236), (108, 172615), (114, 163530), (115, 162108), (135, 138092), (138, 135090), (158, 117990), (171, 109020), (180, 103569), (190, 98118), (207, 90060), (228, 81765), (230, 81054), (237, 78660), (270, 69046), (276, 67545), (285, 65412), (316, 58995), (342, 54510), (345, 54036), (380, 49059), (395, 47196), (414, 45030), (437, 42660), (460, 40527), (474, 39330), (513, 36340), (540, 34523), (570, 32706), (621, 30020), (684, 27255), (690, 27018), (711, 26220), (790, 23598), (828, 22515), (855, 21804), (874, 21330), (948, 19665), (1026, 18170), (1035, 18012), (1140, 16353), (1185, 15732), (1242, 15010), (1311, 14220), (1380, 13509), (1422, 13110), (1501, 12420), (1580, 11799), (1710, 10902), (1748, 10665), (1817, 10260), (2052, 9085), (2070, 9006), (2133, 8740), (2185, 8532), (2370, 7866), (2484, 7505), (2565, 7268), (2622, 7110), (2844, 6555), (3002, 6210), (3105, 6004), (3420, 5451), (3555, 5244), (3634, 5130), (3933, 4740), (4140, 4503), (4266, 4370)]