19883850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 58389120

約数和(自身を除く): 38505270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 75, 87, 105, 145, 150, 174, 175, 203, 210, 290, 350, 406, 435, 525, 609, 653, 725, 870, 1015, 1050, 1218, 1306, 1450, 1959, 2030, 2175, 3045, 3265, 3918, 4350, 4571, 5075, 6090, 6530, 9142, 9795, 10150, 13713, 15225, 16325, 18937, 19590, 22855, 27426, 30450, 32650, 37874, 45710, 48975, 56811, 68565, 94685, 97950, 113622, 114275, 132559, 137130, 189370, 228550, 265118, 284055, 342825, 397677, 473425, 568110, 662795, 685650, 795354, 946850, 1325590, 1420275, 1988385, 2840550, 3313975, 3976770, 6627950, 9941925, 19883850]

約数ペア:

[(1, 19883850), (2, 9941925), (3, 6627950), (5, 3976770), (6, 3313975), (7, 2840550), (10, 1988385), (14, 1420275), (15, 1325590), (21, 946850), (25, 795354), (29, 685650), (30, 662795), (35, 568110), (42, 473425), (50, 397677), (58, 342825), (70, 284055), (75, 265118), (87, 228550), (105, 189370), (145, 137130), (150, 132559), (174, 114275), (175, 113622), (203, 97950), (210, 94685), (290, 68565), (350, 56811), (406, 48975), (435, 45710), (525, 37874), (609, 32650), (653, 30450), (725, 27426), (870, 22855), (1015, 19590), (1050, 18937), (1218, 16325), (1306, 15225), (1450, 13713), (1959, 10150), (2030, 9795), (2175, 9142), (3045, 6530), (3265, 6090), (3918, 5075), (4350, 4571)]