19905410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9173}}^1$

素因数の和:9218

約数の個数: 32

約数和(自身を含む): 42273792

約数和(自身を除く): 22368382

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9173, 18346, 45865, 64211, 91730, 128422, 284363, 321055, 568726, 642110, 1421815, 1990541, 2843630, 3981082, 9952705, 19905410]

約数ペア:

[(1, 19905410), (2, 9952705), (5, 3981082), (7, 2843630), (10, 1990541), (14, 1421815), (31, 642110), (35, 568726), (62, 321055), (70, 284363), (155, 128422), (217, 91730), (310, 64211), (434, 45865), (1085, 18346), (2170, 9173)]