19418854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4684

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 17998106

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4639, 9278, 32473, 60307, 64946, 106697, 120614, 213394, 422149, 746879, 844298, 1387061, 1493758, 2774122, 9709427, 19418854]

約数ペア:

[(1, 19418854), (2, 9709427), (7, 2774122), (13, 1493758), (14, 1387061), (23, 844298), (26, 746879), (46, 422149), (91, 213394), (161, 120614), (182, 106697), (299, 64946), (322, 60307), (598, 32473), (2093, 9278), (4186, 4639)]