16818744520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{7817}}^1$

素因数の和:8015

約数の個数: 96

約数和(自身を含む): 40211883000

約数和(自身を除く): 23393138480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 361, 380, 596, 722, 745, 760, 1192, 1444, 1490, 1805, 2831, 2888, 2980, 3610, 5662, 5960, 7220, 7817, 11324, 14155, 14440, 15634, 22648, 28310, 31268, 39085, 53789, 56620, 62536, 78170, 107578, 113240, 148523, 156340, 215156, 268945, 297046, 312680, 430312, 537890, 594092, 742615, 1075780, 1164733, 1188184, 1485230, 2151560, 2329466, 2821937, 2970460, 4658932, 5643874, 5823665, 5940920, 9317864, 11287748, 11647330, 14109685, 22129927, 22575496, 23294660, 28219370, 44259854, 46589320, 56438740, 88519708, 110649635, 112877480, 177039416, 221299270, 420468613, 442598540, 840937226, 885197080, 1681874452, 2102343065, 3363748904, 4204686130, 8409372260, 16818744520]

約数ペア:

[(1, 16818744520), (2, 8409372260), (4, 4204686130), (5, 3363748904), (8, 2102343065), (10, 1681874452), (19, 885197080), (20, 840937226), (38, 442598540), (40, 420468613), (76, 221299270), (95, 177039416), (149, 112877480), (152, 110649635), (190, 88519708), (298, 56438740), (361, 46589320), (380, 44259854), (596, 28219370), (722, 23294660), (745, 22575496), (760, 22129927), (1192, 14109685), (1444, 11647330), (1490, 11287748), (1805, 9317864), (2831, 5940920), (2888, 5823665), (2980, 5643874), (3610, 4658932), (5662, 2970460), (5960, 2821937), (7220, 2329466), (7817, 2151560), (11324, 1485230), (14155, 1188184), (14440, 1164733), (15634, 1075780), (22648, 742615), (28310, 594092), (31268, 537890), (39085, 430312), (53789, 312680), (56620, 297046), (62536, 268945), (78170, 215156), (107578, 156340), (113240, 148523)]