19010440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15331}}^1$

素因数の和:15373

約数の個数: 32

約数和(自身を含む): 44156160

約数和(自身を除く): 25145720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15331, 30662, 61324, 76655, 122648, 153310, 306620, 475261, 613240, 950522, 1901044, 2376305, 3802088, 4752610, 9505220, 19010440]

約数ペア:

[(1, 19010440), (2, 9505220), (4, 4752610), (5, 3802088), (8, 2376305), (10, 1901044), (20, 950522), (31, 613240), (40, 475261), (62, 306620), (124, 153310), (155, 122648), (248, 76655), (310, 61324), (620, 30662), (1240, 15331)]