2011919871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{72353}}^1$

素因数の和:72423

約数の個数: 32

約数和(自身を含む): 3111800832

約数和(自身を除く): 1099880961

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 713, 897, 1209, 2139, 9269, 27807, 72353, 217059, 940589, 1664119, 2242943, 2821767, 4992357, 6728829, 21633547, 29158259, 51587689, 64900641, 87474777, 154763067, 670639957, 2011919871]

約数ペア:

[(1, 2011919871), (3, 670639957), (13, 154763067), (23, 87474777), (31, 64900641), (39, 51587689), (69, 29158259), (93, 21633547), (299, 6728829), (403, 4992357), (713, 2821767), (897, 2242943), (1209, 1664119), (2139, 940589), (9269, 217059), (27807, 72353)]