18939420

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{433}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 59787840

約数和(自身を除く): 40848420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 433, 486, 540, 729, 810, 866, 972, 1215, 1299, 1458, 1620, 1732, 2165, 2187, 2430, 2598, 2916, 3645, 3897, 4330, 4374, 4860, 5196, 6495, 7290, 7794, 8660, 8748, 10935, 11691, 12990, 14580, 15588, 19485, 21870, 23382, 25980, 35073, 38970, 43740, 46764, 58455, 70146, 77940, 105219, 116910, 140292, 175365, 210438, 233820, 315657, 350730, 420876, 526095, 631314, 701460, 946971, 1052190, 1262628, 1578285, 1893942, 2104380, 3156570, 3787884, 4734855, 6313140, 9469710, 18939420]

約数ペア:

[(1, 18939420), (2, 9469710), (3, 6313140), (4, 4734855), (5, 3787884), (6, 3156570), (9, 2104380), (10, 1893942), (12, 1578285), (15, 1262628), (18, 1052190), (20, 946971), (27, 701460), (30, 631314), (36, 526095), (45, 420876), (54, 350730), (60, 315657), (81, 233820), (90, 210438), (108, 175365), (135, 140292), (162, 116910), (180, 105219), (243, 77940), (270, 70146), (324, 58455), (405, 46764), (433, 43740), (486, 38970), (540, 35073), (729, 25980), (810, 23382), (866, 21870), (972, 19485), (1215, 15588), (1299, 14580), (1458, 12990), (1620, 11691), (1732, 10935), (2165, 8748), (2187, 8660), (2430, 7794), (2598, 7290), (2916, 6495), (3645, 5196), (3897, 4860), (4330, 4374)]