19267980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4523}}^1$

素因数の和:4606

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 35454324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4523, 9046, 13569, 18092, 22615, 27138, 45230, 54276, 67845, 90460, 135690, 271380, 321133, 642266, 963399, 1284532, 1605665, 1926798, 3211330, 3853596, 4816995, 6422660, 9633990, 19267980]

約数ペア:

[(1, 19267980), (2, 9633990), (3, 6422660), (4, 4816995), (5, 3853596), (6, 3211330), (10, 1926798), (12, 1605665), (15, 1284532), (20, 963399), (30, 642266), (60, 321133), (71, 271380), (142, 135690), (213, 90460), (284, 67845), (355, 54276), (426, 45230), (710, 27138), (852, 22615), (1065, 18092), (1420, 13569), (2130, 9046), (4260, 4523)]