18716838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5641}}^1$

素因数の和:5732

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 24613722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 5641, 11282, 16923, 33846, 39487, 78974, 118461, 236922, 445639, 891278, 1336917, 2673834, 3119473, 6238946, 9358419, 18716838]

約数ペア:

[(1, 18716838), (2, 9358419), (3, 6238946), (6, 3119473), (7, 2673834), (14, 1336917), (21, 891278), (42, 445639), (79, 236922), (158, 118461), (237, 78974), (474, 39487), (553, 33846), (1106, 16923), (1659, 11282), (3318, 5641)]