19886670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2797}}^1$

素因数の和:2889

約数の個数: 48

約数和(自身を含む): 52378560

約数和(自身を除く): 32491890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2797, 3555, 5594, 7110, 8391, 13985, 16782, 25173, 27970, 41955, 50346, 83910, 125865, 220963, 251730, 441926, 662889, 1104815, 1325778, 1988667, 2209630, 3314445, 3977334, 6628890, 9943335, 19886670]

約数ペア:

[(1, 19886670), (2, 9943335), (3, 6628890), (5, 3977334), (6, 3314445), (9, 2209630), (10, 1988667), (15, 1325778), (18, 1104815), (30, 662889), (45, 441926), (79, 251730), (90, 220963), (158, 125865), (237, 83910), (395, 50346), (474, 41955), (711, 27970), (790, 25173), (1185, 16782), (1422, 13985), (2370, 8391), (2797, 7110), (3555, 5594)]