18867810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 30483870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 479, 505, 606, 958, 1010, 1313, 1437, 1515, 2395, 2626, 2874, 3030, 3939, 4790, 6227, 6565, 7185, 7878, 12454, 13130, 14370, 18681, 19695, 31135, 37362, 39390, 48379, 62270, 93405, 96758, 145137, 186810, 241895, 290274, 483790, 628927, 725685, 1257854, 1451370, 1886781, 3144635, 3773562, 6289270, 9433905, 18867810]

約数ペア:

[(1, 18867810), (2, 9433905), (3, 6289270), (5, 3773562), (6, 3144635), (10, 1886781), (13, 1451370), (15, 1257854), (26, 725685), (30, 628927), (39, 483790), (65, 290274), (78, 241895), (101, 186810), (130, 145137), (195, 96758), (202, 93405), (303, 62270), (390, 48379), (479, 39390), (505, 37362), (606, 31135), (958, 19695), (1010, 18681), (1313, 14370), (1437, 13130), (1515, 12454), (2395, 7878), (2626, 7185), (2874, 6565), (3030, 6227), (3939, 4790)]