19710420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10597}}^1$

素因数の和:10640

約数の個数: 48

約数和(自身を含む): 56974848

約数和(自身を除く): 37264428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10597, 21194, 31791, 42388, 52985, 63582, 105970, 127164, 158955, 211940, 317910, 328507, 635820, 657014, 985521, 1314028, 1642535, 1971042, 3285070, 3942084, 4927605, 6570140, 9855210, 19710420]

約数ペア:

[(1, 19710420), (2, 9855210), (3, 6570140), (4, 4927605), (5, 3942084), (6, 3285070), (10, 1971042), (12, 1642535), (15, 1314028), (20, 985521), (30, 657014), (31, 635820), (60, 328507), (62, 317910), (93, 211940), (124, 158955), (155, 127164), (186, 105970), (310, 63582), (372, 52985), (465, 42388), (620, 31791), (930, 21194), (1860, 10597)]