19711050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 49154592

約数和(自身を除く): 29443542

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 331, 397, 662, 794, 993, 1191, 1655, 1985, 1986, 2382, 3310, 3970, 4965, 5955, 8275, 9925, 9930, 11910, 16550, 19850, 24825, 29775, 49650, 59550, 131407, 262814, 394221, 657035, 788442, 1314070, 1971105, 3285175, 3942210, 6570350, 9855525, 19711050]

約数ペア:

[(1, 19711050), (2, 9855525), (3, 6570350), (5, 3942210), (6, 3285175), (10, 1971105), (15, 1314070), (25, 788442), (30, 657035), (50, 394221), (75, 262814), (150, 131407), (331, 59550), (397, 49650), (662, 29775), (794, 24825), (993, 19850), (1191, 16550), (1655, 11910), (1985, 9930), (1986, 9925), (2382, 8275), (3310, 5955), (3970, 4965)]