19221840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:842

約数の個数: 160

約数和(自身を含む): 72316800

約数和(自身を除く): 53094960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 809, 880, 990, 1080, 1188, 1320, 1485, 1584, 1618, 1980, 2160, 2376, 2427, 2640, 2970, 3236, 3960, 4045, 4752, 4854, 5940, 6472, 7281, 7920, 8090, 8899, 9708, 11880, 12135, 12944, 14562, 16180, 17798, 19416, 21843, 23760, 24270, 26697, 29124, 32360, 35596, 36405, 38832, 43686, 44495, 48540, 53394, 58248, 64720, 71192, 72810, 80091, 87372, 88990, 97080, 106788, 109215, 116496, 133485, 142384, 145620, 160182, 174744, 177980, 194160, 213576, 218430, 240273, 266970, 291240, 320364, 349488, 355960, 400455, 427152, 436860, 480546, 533940, 582480, 640728, 711920, 800910, 873720, 961092, 1067880, 1201365, 1281456, 1601820, 1747440, 1922184, 2135760, 2402730, 3203640, 3844368, 4805460, 6407280, 9610920, 19221840]

約数ペア:

[(1, 19221840), (2, 9610920), (3, 6407280), (4, 4805460), (5, 3844368), (6, 3203640), (8, 2402730), (9, 2135760), (10, 1922184), (11, 1747440), (12, 1601820), (15, 1281456), (16, 1201365), (18, 1067880), (20, 961092), (22, 873720), (24, 800910), (27, 711920), (30, 640728), (33, 582480), (36, 533940), (40, 480546), (44, 436860), (45, 427152), (48, 400455), (54, 355960), (55, 349488), (60, 320364), (66, 291240), (72, 266970), (80, 240273), (88, 218430), (90, 213576), (99, 194160), (108, 177980), (110, 174744), (120, 160182), (132, 145620), (135, 142384), (144, 133485), (165, 116496), (176, 109215), (180, 106788), (198, 97080), (216, 88990), (220, 87372), (240, 80091), (264, 72810), (270, 71192), (297, 64720), (330, 58248), (360, 53394), (396, 48540), (432, 44495), (440, 43686), (495, 38832), (528, 36405), (540, 35596), (594, 32360), (660, 29124), (720, 26697), (792, 24270), (809, 23760), (880, 21843), (990, 19416), (1080, 17798), (1188, 16180), (1320, 14562), (1485, 12944), (1584, 12135), (1618, 11880), (1980, 9708), (2160, 8899), (2376, 8090), (2427, 7920), (2640, 7281), (2970, 6472), (3236, 5940), (3960, 4854), (4045, 4752)]