18243890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15331}}^1$

素因数の和:15362

約数の個数: 32

約数和(自身を含む): 39740544

約数和(自身を除く): 21496654

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 15331, 30662, 76655, 107317, 153310, 214634, 260627, 521254, 536585, 1073170, 1303135, 1824389, 2606270, 3648778, 9121945, 18243890]

約数ペア:

[(1, 18243890), (2, 9121945), (5, 3648778), (7, 2606270), (10, 1824389), (14, 1303135), (17, 1073170), (34, 536585), (35, 521254), (70, 260627), (85, 214634), (119, 153310), (170, 107317), (238, 76655), (595, 30662), (1190, 15331)]