19959750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{2957}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 55373760

約数和(自身を除く): 35414010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 675, 750, 1125, 1350, 2250, 2957, 3375, 5914, 6750, 8871, 14785, 17742, 26613, 29570, 44355, 53226, 73925, 79839, 88710, 133065, 147850, 159678, 221775, 266130, 369625, 399195, 443550, 665325, 739250, 798390, 1108875, 1330650, 1995975, 2217750, 3326625, 3991950, 6653250, 9979875, 19959750]

約数ペア:

[(1, 19959750), (2, 9979875), (3, 6653250), (5, 3991950), (6, 3326625), (9, 2217750), (10, 1995975), (15, 1330650), (18, 1108875), (25, 798390), (27, 739250), (30, 665325), (45, 443550), (50, 399195), (54, 369625), (75, 266130), (90, 221775), (125, 159678), (135, 147850), (150, 133065), (225, 88710), (250, 79839), (270, 73925), (375, 53226), (450, 44355), (675, 29570), (750, 26613), (1125, 17742), (1350, 14785), (2250, 8871), (2957, 6750), (3375, 5914)]