19485918

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 44568576

約数和(自身を除く): 25082658

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 279, 282, 423, 558, 743, 846, 1457, 1486, 2229, 2914, 4371, 4458, 6687, 8742, 13113, 13374, 23033, 26226, 34921, 46066, 69099, 69842, 104763, 138198, 207297, 209526, 314289, 414594, 628578, 1082551, 2165102, 3247653, 6495306, 9742959, 19485918]

約数ペア:

[(1, 19485918), (2, 9742959), (3, 6495306), (6, 3247653), (9, 2165102), (18, 1082551), (31, 628578), (47, 414594), (62, 314289), (93, 209526), (94, 207297), (141, 138198), (186, 104763), (279, 69842), (282, 69099), (423, 46066), (558, 34921), (743, 26226), (846, 23033), (1457, 13374), (1486, 13113), (2229, 8742), (2914, 6687), (4371, 4458)]