18218700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:704

約数の個数: 108

約数和(自身を含む): 59037888

約数和(自身を除く): 40819188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 653, 775, 900, 930, 1116, 1306, 1395, 1550, 1860, 1959, 2325, 2612, 2790, 3100, 3265, 3918, 4650, 5580, 5877, 6530, 6975, 7836, 9300, 9795, 11754, 13060, 13950, 16325, 19590, 20243, 23508, 27900, 29385, 32650, 39180, 40486, 48975, 58770, 60729, 65300, 80972, 97950, 101215, 117540, 121458, 146925, 182187, 195900, 202430, 242916, 293850, 303645, 364374, 404860, 506075, 587700, 607290, 728748, 910935, 1012150, 1214580, 1518225, 1821870, 2024300, 3036450, 3643740, 4554675, 6072900, 9109350, 18218700]

約数ペア:

[(1, 18218700), (2, 9109350), (3, 6072900), (4, 4554675), (5, 3643740), (6, 3036450), (9, 2024300), (10, 1821870), (12, 1518225), (15, 1214580), (18, 1012150), (20, 910935), (25, 728748), (30, 607290), (31, 587700), (36, 506075), (45, 404860), (50, 364374), (60, 303645), (62, 293850), (75, 242916), (90, 202430), (93, 195900), (100, 182187), (124, 146925), (150, 121458), (155, 117540), (180, 101215), (186, 97950), (225, 80972), (279, 65300), (300, 60729), (310, 58770), (372, 48975), (450, 40486), (465, 39180), (558, 32650), (620, 29385), (653, 27900), (775, 23508), (900, 20243), (930, 19590), (1116, 16325), (1306, 13950), (1395, 13060), (1550, 11754), (1860, 9795), (1959, 9300), (2325, 7836), (2612, 6975), (2790, 6530), (3100, 5877), (3265, 5580), (3918, 4650)]