19828250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6101}}^1$

素因数の和:6131

約数の個数: 32

約数和(自身を含む): 39980304

約数和(自身を除く): 20152054

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6101, 12202, 30505, 61010, 79313, 152525, 158626, 305050, 396565, 762625, 793130, 1525250, 1982825, 3965650, 9914125, 19828250]

約数ペア:

[(1, 19828250), (2, 9914125), (5, 3965650), (10, 1982825), (13, 1525250), (25, 793130), (26, 762625), (50, 396565), (65, 305050), (125, 158626), (130, 152525), (250, 79313), (325, 61010), (650, 30505), (1625, 12202), (3250, 6101)]