19788240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 80

約数和(自身を含む): 62870976

約数和(自身を除く): 43082736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2011, 2460, 3280, 4022, 4920, 6033, 8044, 9840, 10055, 12066, 16088, 20110, 24132, 30165, 32176, 40220, 48264, 60330, 80440, 82451, 96528, 120660, 160880, 164902, 241320, 247353, 329804, 412255, 482640, 494706, 659608, 824510, 989412, 1236765, 1319216, 1649020, 1978824, 2473530, 3298040, 3957648, 4947060, 6596080, 9894120, 19788240]

約数ペア:

[(1, 19788240), (2, 9894120), (3, 6596080), (4, 4947060), (5, 3957648), (6, 3298040), (8, 2473530), (10, 1978824), (12, 1649020), (15, 1319216), (16, 1236765), (20, 989412), (24, 824510), (30, 659608), (40, 494706), (41, 482640), (48, 412255), (60, 329804), (80, 247353), (82, 241320), (120, 164902), (123, 160880), (164, 120660), (205, 96528), (240, 82451), (246, 80440), (328, 60330), (410, 48264), (492, 40220), (615, 32176), (656, 30165), (820, 24132), (984, 20110), (1230, 16088), (1640, 12066), (1968, 10055), (2011, 9840), (2460, 8044), (3280, 6033), (4022, 4920)]