17887974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 23238426

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 59, 69, 78, 118, 138, 169, 177, 299, 338, 354, 507, 598, 767, 897, 1014, 1357, 1534, 1794, 2197, 2301, 2714, 3887, 4071, 4394, 4602, 6591, 7774, 8142, 9971, 11661, 13182, 17641, 19942, 23322, 29913, 35282, 50531, 52923, 59826, 101062, 105846, 129623, 151593, 229333, 259246, 303186, 388869, 458666, 687999, 777738, 1375998, 2981329, 5962658, 8943987, 17887974]

約数ペア:

[(1, 17887974), (2, 8943987), (3, 5962658), (6, 2981329), (13, 1375998), (23, 777738), (26, 687999), (39, 458666), (46, 388869), (59, 303186), (69, 259246), (78, 229333), (118, 151593), (138, 129623), (169, 105846), (177, 101062), (299, 59826), (338, 52923), (354, 50531), (507, 35282), (598, 29913), (767, 23322), (897, 19942), (1014, 17641), (1357, 13182), (1534, 11661), (1794, 9971), (2197, 8142), (2301, 7774), (2714, 6591), (3887, 4602), (4071, 4394)]