19852040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38177}}^1$

素因数の和:38201

約数の個数: 32

約数和(自身を含む): 48104280

約数和(自身を除く): 28252240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38177, 76354, 152708, 190885, 305416, 381770, 496301, 763540, 992602, 1527080, 1985204, 2481505, 3970408, 4963010, 9926020, 19852040]

約数ペア:

[(1, 19852040), (2, 9926020), (4, 4963010), (5, 3970408), (8, 2481505), (10, 1985204), (13, 1527080), (20, 992602), (26, 763540), (40, 496301), (52, 381770), (65, 305416), (104, 190885), (130, 152708), (260, 76354), (520, 38177)]