19735490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17900350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 431, 482, 862, 1205, 2155, 2410, 4310, 4579, 8189, 9158, 16378, 22895, 40945, 45790, 81890, 103871, 207742, 519355, 1038710, 1973549, 3947098, 9867745, 19735490]

約数ペア:

[(1, 19735490), (2, 9867745), (5, 3947098), (10, 1973549), (19, 1038710), (38, 519355), (95, 207742), (190, 103871), (241, 81890), (431, 45790), (482, 40945), (862, 22895), (1205, 16378), (2155, 9158), (2410, 8189), (4310, 4579)]