18511320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 61171200

約数和(自身を除く): 42659880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 353, 380, 437, 456, 460, 552, 570, 690, 706, 760, 874, 920, 1059, 1140, 1311, 1380, 1412, 1748, 1765, 2118, 2185, 2280, 2622, 2760, 2824, 3496, 3530, 4236, 4370, 5244, 5295, 6555, 6707, 7060, 8119, 8472, 8740, 10488, 10590, 13110, 13414, 14120, 16238, 17480, 20121, 21180, 24357, 26220, 26828, 32476, 33535, 40242, 40595, 42360, 48714, 52440, 53656, 64952, 67070, 80484, 81190, 97428, 100605, 121785, 134140, 154261, 160968, 162380, 194856, 201210, 243570, 268280, 308522, 324760, 402420, 462783, 487140, 617044, 771305, 804840, 925566, 974280, 1234088, 1542610, 1851132, 2313915, 3085220, 3702264, 4627830, 6170440, 9255660, 18511320]

約数ペア:

[(1, 18511320), (2, 9255660), (3, 6170440), (4, 4627830), (5, 3702264), (6, 3085220), (8, 2313915), (10, 1851132), (12, 1542610), (15, 1234088), (19, 974280), (20, 925566), (23, 804840), (24, 771305), (30, 617044), (38, 487140), (40, 462783), (46, 402420), (57, 324760), (60, 308522), (69, 268280), (76, 243570), (92, 201210), (95, 194856), (114, 162380), (115, 160968), (120, 154261), (138, 134140), (152, 121785), (184, 100605), (190, 97428), (228, 81190), (230, 80484), (276, 67070), (285, 64952), (345, 53656), (353, 52440), (380, 48714), (437, 42360), (456, 40595), (460, 40242), (552, 33535), (570, 32476), (690, 26828), (706, 26220), (760, 24357), (874, 21180), (920, 20121), (1059, 17480), (1140, 16238), (1311, 14120), (1380, 13414), (1412, 13110), (1748, 10590), (1765, 10488), (2118, 8740), (2185, 8472), (2280, 8119), (2622, 7060), (2760, 6707), (2824, 6555), (3496, 5295), (3530, 5244), (4236, 4370)]