18964796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 34228656

約数和(自身を除く): 15263860

約数列:

[1, 2, 4, 41, 82, 164, 197, 394, 587, 788, 1174, 2348, 8077, 16154, 24067, 32308, 48134, 96268, 115639, 231278, 462556, 4741199, 9482398, 18964796]

約数ペア:

[(1, 18964796), (2, 9482398), (4, 4741199), (41, 462556), (82, 231278), (164, 115639), (197, 96268), (394, 48134), (587, 32308), (788, 24067), (1174, 16154), (2348, 8077)]