17880492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 49641984

約数和(自身を除く): 31761492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 647, 658, 987, 1294, 1316, 1941, 1974, 2303, 2588, 3882, 3948, 4529, 4606, 6909, 7764, 9058, 9212, 13587, 13818, 18116, 27174, 27636, 30409, 31703, 54348, 60818, 63406, 91227, 95109, 121636, 126812, 182454, 190218, 212863, 364908, 380436, 425726, 638589, 851452, 1277178, 1490041, 2554356, 2980082, 4470123, 5960164, 8940246, 17880492]

約数ペア:

[(1, 17880492), (2, 8940246), (3, 5960164), (4, 4470123), (6, 2980082), (7, 2554356), (12, 1490041), (14, 1277178), (21, 851452), (28, 638589), (42, 425726), (47, 380436), (49, 364908), (84, 212863), (94, 190218), (98, 182454), (141, 126812), (147, 121636), (188, 95109), (196, 91227), (282, 63406), (294, 60818), (329, 54348), (564, 31703), (588, 30409), (647, 27636), (658, 27174), (987, 18116), (1294, 13818), (1316, 13587), (1941, 9212), (1974, 9058), (2303, 7764), (2588, 6909), (3882, 4606), (3948, 4529)]