18811730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8669}}^1$

素因数の和:8714

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 21139630

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8669, 17338, 43345, 60683, 86690, 121366, 268739, 303415, 537478, 606830, 1343695, 1881173, 2687390, 3762346, 9405865, 18811730]

約数ペア:

[(1, 18811730), (2, 9405865), (5, 3762346), (7, 2687390), (10, 1881173), (14, 1343695), (31, 606830), (35, 537478), (62, 303415), (70, 268739), (155, 121366), (217, 86690), (310, 60683), (434, 43345), (1085, 17338), (2170, 8669)]