19501196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 40604928

約数和(自身を除く): 21103732

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 331, 412, 572, 662, 1133, 1324, 1339, 2266, 2678, 3641, 4303, 4532, 5356, 7282, 8606, 14564, 14729, 17212, 29458, 34093, 47333, 58916, 68186, 94666, 136372, 189332, 375023, 443209, 750046, 886418, 1500092, 1772836, 4875299, 9750598, 19501196]

約数ペア:

[(1, 19501196), (2, 9750598), (4, 4875299), (11, 1772836), (13, 1500092), (22, 886418), (26, 750046), (44, 443209), (52, 375023), (103, 189332), (143, 136372), (206, 94666), (286, 68186), (331, 58916), (412, 47333), (572, 34093), (662, 29458), (1133, 17212), (1324, 14729), (1339, 14564), (2266, 8606), (2678, 7282), (3641, 5356), (4303, 4532)]