18050890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 38421216

約数和(自身を除く): 20370326

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 971, 1430, 1690, 1859, 1942, 3718, 4855, 9295, 9710, 10681, 12623, 18590, 21362, 25246, 53405, 63115, 106810, 126230, 138853, 164099, 277706, 328198, 694265, 820495, 1388530, 1640990, 1805089, 3610178, 9025445, 18050890]

約数ペア:

[(1, 18050890), (2, 9025445), (5, 3610178), (10, 1805089), (11, 1640990), (13, 1388530), (22, 820495), (26, 694265), (55, 328198), (65, 277706), (110, 164099), (130, 138853), (143, 126230), (169, 106810), (286, 63115), (338, 53405), (715, 25246), (845, 21362), (971, 18590), (1430, 12623), (1690, 10681), (1859, 9710), (1942, 9295), (3718, 4855)]