19003860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1573

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 39492396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1487, 2130, 2556, 2974, 3195, 4260, 4461, 5948, 6390, 7435, 8922, 12780, 13383, 14870, 17844, 22305, 26766, 29740, 44610, 53532, 66915, 89220, 105577, 133830, 211154, 267660, 316731, 422308, 527885, 633462, 950193, 1055770, 1266924, 1583655, 1900386, 2111540, 3167310, 3800772, 4750965, 6334620, 9501930, 19003860]

約数ペア:

[(1, 19003860), (2, 9501930), (3, 6334620), (4, 4750965), (5, 3800772), (6, 3167310), (9, 2111540), (10, 1900386), (12, 1583655), (15, 1266924), (18, 1055770), (20, 950193), (30, 633462), (36, 527885), (45, 422308), (60, 316731), (71, 267660), (90, 211154), (142, 133830), (180, 105577), (213, 89220), (284, 66915), (355, 53532), (426, 44610), (639, 29740), (710, 26766), (852, 22305), (1065, 17844), (1278, 14870), (1420, 13383), (1487, 12780), (2130, 8922), (2556, 7435), (2974, 6390), (3195, 5948), (4260, 4461)]