18554490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7109}}^1$

素因数の和:7151

約数の個数: 48

約数和(自身を含む): 49912200

約数和(自身を除く): 31357710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7109, 14218, 21327, 35545, 42654, 63981, 71090, 106635, 127962, 206161, 213270, 319905, 412322, 618483, 639810, 1030805, 1236966, 1855449, 2061610, 3092415, 3710898, 6184830, 9277245, 18554490]

約数ペア:

[(1, 18554490), (2, 9277245), (3, 6184830), (5, 3710898), (6, 3092415), (9, 2061610), (10, 1855449), (15, 1236966), (18, 1030805), (29, 639810), (30, 618483), (45, 412322), (58, 319905), (87, 213270), (90, 206161), (145, 127962), (174, 106635), (261, 71090), (290, 63981), (435, 42654), (522, 35545), (870, 21327), (1305, 14218), (2610, 7109)]