18194800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3530

約数の個数: 60

約数和(自身を含む): 47089000

約数和(自身を除く): 28894200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3499, 5200, 6998, 13996, 17495, 27992, 34990, 45487, 55984, 69980, 87475, 90974, 139960, 174950, 181948, 227435, 279920, 349900, 363896, 454870, 699800, 727792, 909740, 1137175, 1399600, 1819480, 2274350, 3638960, 4548700, 9097400, 18194800]

約数ペア:

[(1, 18194800), (2, 9097400), (4, 4548700), (5, 3638960), (8, 2274350), (10, 1819480), (13, 1399600), (16, 1137175), (20, 909740), (25, 727792), (26, 699800), (40, 454870), (50, 363896), (52, 349900), (65, 279920), (80, 227435), (100, 181948), (104, 174950), (130, 139960), (200, 90974), (208, 87475), (260, 69980), (325, 55984), (400, 45487), (520, 34990), (650, 27992), (1040, 17495), (1300, 13996), (2600, 6998), (3499, 5200)]