19118049680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7708891}}^1$

素因数の和:7708935

約数の個数: 40

約数和(自身を含む): 45883325184

約数和(自身を除く): 26765275504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7708891, 15417782, 30835564, 38544455, 61671128, 77088910, 123342256, 154177820, 238975621, 308355640, 477951242, 616711280, 955902484, 1194878105, 1911804968, 2389756210, 3823609936, 4779512420, 9559024840, 19118049680]

約数ペア:

[(1, 19118049680), (2, 9559024840), (4, 4779512420), (5, 3823609936), (8, 2389756210), (10, 1911804968), (16, 1194878105), (20, 955902484), (31, 616711280), (40, 477951242), (62, 308355640), (80, 238975621), (124, 154177820), (155, 123342256), (248, 77088910), (310, 61671128), (496, 38544455), (620, 30835564), (1240, 15417782), (2480, 7708891)]