1640802038

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73309}}^1$

素因数の和:73380

約数の個数: 24

約数和(自身を含む): 2681386560

約数和(自身を除く): 1040584522

約数列:

[1, 2, 19, 31, 38, 62, 361, 589, 722, 1178, 11191, 22382, 73309, 146618, 1392871, 2272579, 2785742, 4545158, 26464549, 43179001, 52929098, 86358002, 820401019, 1640802038]

約数ペア:

[(1, 1640802038), (2, 820401019), (19, 86358002), (31, 52929098), (38, 43179001), (62, 26464549), (361, 4545158), (589, 2785742), (722, 2272579), (1178, 1392871), (11191, 146618), (22382, 73309)]