18432890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^2$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 39940992

約数和(自身を除く): 21508102

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 107, 115, 161, 214, 230, 322, 535, 749, 805, 1070, 1498, 1610, 2461, 3745, 4922, 7490, 11449, 12305, 17227, 22898, 24610, 34454, 57245, 80143, 86135, 114490, 160286, 172270, 263327, 400715, 526654, 801430, 1316635, 1843289, 2633270, 3686578, 9216445, 18432890]

約数ペア:

[(1, 18432890), (2, 9216445), (5, 3686578), (7, 2633270), (10, 1843289), (14, 1316635), (23, 801430), (35, 526654), (46, 400715), (70, 263327), (107, 172270), (115, 160286), (161, 114490), (214, 86135), (230, 80143), (322, 57245), (535, 34454), (749, 24610), (805, 22898), (1070, 17227), (1498, 12305), (1610, 11449), (2461, 7490), (3745, 4922)]