18739424

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21903136

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 139, 176, 278, 352, 383, 556, 766, 1112, 1529, 1532, 2224, 3058, 3064, 4213, 4448, 6116, 6128, 8426, 12232, 12256, 16852, 24464, 33704, 48928, 53237, 67408, 106474, 134816, 212948, 425896, 585607, 851792, 1171214, 1703584, 2342428, 4684856, 9369712, 18739424]

約数ペア:

[(1, 18739424), (2, 9369712), (4, 4684856), (8, 2342428), (11, 1703584), (16, 1171214), (22, 851792), (32, 585607), (44, 425896), (88, 212948), (139, 134816), (176, 106474), (278, 67408), (352, 53237), (383, 48928), (556, 33704), (766, 24464), (1112, 16852), (1529, 12256), (1532, 12232), (2224, 8426), (3058, 6128), (3064, 6116), (4213, 4448)]