18767140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 46271232

約数和(自身を除く): 27504092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3623, 5180, 7246, 14492, 18115, 25361, 36230, 50722, 72460, 101444, 126805, 134051, 253610, 268102, 507220, 536204, 670255, 938357, 1340510, 1876714, 2681020, 3753428, 4691785, 9383570, 18767140]

約数ペア:

[(1, 18767140), (2, 9383570), (4, 4691785), (5, 3753428), (7, 2681020), (10, 1876714), (14, 1340510), (20, 938357), (28, 670255), (35, 536204), (37, 507220), (70, 268102), (74, 253610), (140, 134051), (148, 126805), (185, 101444), (259, 72460), (370, 50722), (518, 36230), (740, 25361), (1036, 18115), (1295, 14492), (2590, 7246), (3623, 5180)]