18229900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 43868720

約数和(自身を除く): 25638820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 379, 481, 650, 740, 758, 925, 962, 1300, 1516, 1850, 1895, 1924, 2405, 3700, 3790, 4810, 4927, 7580, 9475, 9620, 9854, 12025, 14023, 18950, 19708, 24050, 24635, 28046, 37900, 48100, 49270, 56092, 70115, 98540, 123175, 140230, 182299, 246350, 280460, 350575, 364598, 492700, 701150, 729196, 911495, 1402300, 1822990, 3645980, 4557475, 9114950, 18229900]

約数ペア:

[(1, 18229900), (2, 9114950), (4, 4557475), (5, 3645980), (10, 1822990), (13, 1402300), (20, 911495), (25, 729196), (26, 701150), (37, 492700), (50, 364598), (52, 350575), (65, 280460), (74, 246350), (100, 182299), (130, 140230), (148, 123175), (185, 98540), (260, 70115), (325, 56092), (370, 49270), (379, 48100), (481, 37900), (650, 28046), (740, 24635), (758, 24050), (925, 19708), (962, 18950), (1300, 14023), (1516, 12025), (1850, 9854), (1895, 9620), (1924, 9475), (2405, 7580), (3700, 4927), (3790, 4810)]