18974790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2314

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 33279930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2267, 2790, 4185, 4534, 6801, 8370, 11335, 13602, 20403, 22670, 34005, 40806, 61209, 68010, 70277, 102015, 122418, 140554, 204030, 210831, 306045, 351385, 421662, 612090, 632493, 702770, 1054155, 1264986, 1897479, 2108310, 3162465, 3794958, 6324930, 9487395, 18974790]

約数ペア:

[(1, 18974790), (2, 9487395), (3, 6324930), (5, 3794958), (6, 3162465), (9, 2108310), (10, 1897479), (15, 1264986), (18, 1054155), (27, 702770), (30, 632493), (31, 612090), (45, 421662), (54, 351385), (62, 306045), (90, 210831), (93, 204030), (135, 140554), (155, 122418), (186, 102015), (270, 70277), (279, 68010), (310, 61209), (465, 40806), (558, 34005), (837, 22670), (930, 20403), (1395, 13602), (1674, 11335), (2267, 8370), (2790, 6801), (4185, 4534)]