18684740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22683580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 269, 302, 460, 538, 604, 755, 1076, 1345, 1510, 2690, 3020, 3473, 5380, 6187, 6946, 12374, 13892, 17365, 24748, 30935, 34730, 40619, 61870, 69460, 81238, 123740, 162476, 203095, 406190, 812380, 934237, 1868474, 3736948, 4671185, 9342370, 18684740]

約数ペア:

[(1, 18684740), (2, 9342370), (4, 4671185), (5, 3736948), (10, 1868474), (20, 934237), (23, 812380), (46, 406190), (92, 203095), (115, 162476), (151, 123740), (230, 81238), (269, 69460), (302, 61870), (460, 40619), (538, 34730), (604, 30935), (755, 24748), (1076, 17365), (1345, 13892), (1510, 12374), (2690, 6946), (3020, 6187), (3473, 5380)]