18853900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14503}}^1$

素因数の和:14530

約数の個数: 36

約数和(自身を含む): 44063152

約数和(自身を除く): 25209252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14503, 29006, 58012, 72515, 145030, 188539, 290060, 362575, 377078, 725150, 754156, 942695, 1450300, 1885390, 3770780, 4713475, 9426950, 18853900]

約数ペア:

[(1, 18853900), (2, 9426950), (4, 4713475), (5, 3770780), (10, 1885390), (13, 1450300), (20, 942695), (25, 754156), (26, 725150), (50, 377078), (52, 362575), (65, 290060), (100, 188539), (130, 145030), (260, 72515), (325, 58012), (650, 29006), (1300, 14503)]