18791760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 66245760

約数和(自身を除く): 47454000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 317, 380, 390, 456, 494, 520, 570, 624, 634, 741, 760, 780, 912, 951, 988, 1040, 1140, 1235, 1268, 1482, 1520, 1560, 1585, 1902, 1976, 2280, 2470, 2536, 2964, 3120, 3170, 3705, 3804, 3952, 4121, 4560, 4755, 4940, 5072, 5928, 6023, 6340, 7410, 7608, 8242, 9510, 9880, 11856, 12046, 12363, 12680, 14820, 15216, 16484, 18069, 19020, 19760, 20605, 24092, 24726, 25360, 29640, 30115, 32968, 36138, 38040, 41210, 48184, 49452, 59280, 60230, 61815, 65936, 72276, 76080, 78299, 82420, 90345, 96368, 98904, 120460, 123630, 144552, 156598, 164840, 180690, 197808, 234897, 240920, 247260, 289104, 313196, 329680, 361380, 391495, 469794, 481840, 494520, 626392, 722760, 782990, 939588, 989040, 1174485, 1252784, 1445520, 1565980, 1879176, 2348970, 3131960, 3758352, 4697940, 6263920, 9395880, 18791760]

約数ペア:

[(1, 18791760), (2, 9395880), (3, 6263920), (4, 4697940), (5, 3758352), (6, 3131960), (8, 2348970), (10, 1879176), (12, 1565980), (13, 1445520), (15, 1252784), (16, 1174485), (19, 989040), (20, 939588), (24, 782990), (26, 722760), (30, 626392), (38, 494520), (39, 481840), (40, 469794), (48, 391495), (52, 361380), (57, 329680), (60, 313196), (65, 289104), (76, 247260), (78, 240920), (80, 234897), (95, 197808), (104, 180690), (114, 164840), (120, 156598), (130, 144552), (152, 123630), (156, 120460), (190, 98904), (195, 96368), (208, 90345), (228, 82420), (240, 78299), (247, 76080), (260, 72276), (285, 65936), (304, 61815), (312, 60230), (317, 59280), (380, 49452), (390, 48184), (456, 41210), (494, 38040), (520, 36138), (570, 32968), (624, 30115), (634, 29640), (741, 25360), (760, 24726), (780, 24092), (912, 20605), (951, 19760), (988, 19020), (1040, 18069), (1140, 16484), (1235, 15216), (1268, 14820), (1482, 12680), (1520, 12363), (1560, 12046), (1585, 11856), (1902, 9880), (1976, 9510), (2280, 8242), (2470, 7608), (2536, 7410), (2964, 6340), (3120, 6023), (3170, 5928), (3705, 5072), (3804, 4940), (3952, 4755), (4121, 4560)]