18309440

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2019

約数の個数: 56

約数和(自身を含む): 45125640

約数和(自身を除く): 26816200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 1973, 2320, 3946, 4640, 7892, 9280, 9865, 15784, 19730, 31568, 39460, 57217, 63136, 78920, 114434, 126272, 157840, 228868, 286085, 315680, 457736, 572170, 631360, 915472, 1144340, 1830944, 2288680, 3661888, 4577360, 9154720, 18309440]

約数ペア:

[(1, 18309440), (2, 9154720), (4, 4577360), (5, 3661888), (8, 2288680), (10, 1830944), (16, 1144340), (20, 915472), (29, 631360), (32, 572170), (40, 457736), (58, 315680), (64, 286085), (80, 228868), (116, 157840), (145, 126272), (160, 114434), (232, 78920), (290, 63136), (320, 57217), (464, 39460), (580, 31568), (928, 19730), (1160, 15784), (1856, 9865), (1973, 9280), (2320, 7892), (3946, 4640)]