18051390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9551}}^1$

素因数の和:9574

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 36968130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9551, 19102, 28653, 47755, 57306, 66857, 85959, 95510, 133714, 143265, 171918, 200571, 257877, 286530, 334285, 401142, 429795, 515754, 601713, 668570, 859590, 1002855, 1203426, 1289385, 1805139, 2005710, 2578770, 3008565, 3610278, 6017130, 9025695, 18051390]

約数ペア:

[(1, 18051390), (2, 9025695), (3, 6017130), (5, 3610278), (6, 3008565), (7, 2578770), (9, 2005710), (10, 1805139), (14, 1289385), (15, 1203426), (18, 1002855), (21, 859590), (27, 668570), (30, 601713), (35, 515754), (42, 429795), (45, 401142), (54, 334285), (63, 286530), (70, 257877), (90, 200571), (105, 171918), (126, 143265), (135, 133714), (189, 95510), (210, 85959), (270, 66857), (315, 57306), (378, 47755), (630, 28653), (945, 19102), (1890, 9551)]