19691410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1699}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 37944000

約数和(自身を除く): 18252590

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1699, 2318, 3398, 5795, 8495, 11590, 16990, 32281, 64562, 103639, 161405, 207278, 322810, 518195, 1036390, 1969141, 3938282, 9845705, 19691410]

約数ペア:

[(1, 19691410), (2, 9845705), (5, 3938282), (10, 1969141), (19, 1036390), (38, 518195), (61, 322810), (95, 207278), (122, 161405), (190, 103639), (305, 64562), (610, 32281), (1159, 16990), (1699, 11590), (2318, 8495), (3398, 5795)]