19717630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 37654560

約数和(自身を除く): 17936930

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 661, 785, 1322, 1570, 2983, 3305, 5966, 6610, 12559, 14915, 25118, 29830, 62795, 103777, 125590, 207554, 518885, 1037770, 1971763, 3943526, 9858815, 19717630]

約数ペア:

[(1, 19717630), (2, 9858815), (5, 3943526), (10, 1971763), (19, 1037770), (38, 518885), (95, 207554), (157, 125590), (190, 103777), (314, 62795), (661, 29830), (785, 25118), (1322, 14915), (1570, 12559), (2983, 6610), (3305, 5966)]