201819917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 236065536

約数和(自身を除く): 34245619

約数列:

[1, 13, 23, 41, 101, 163, 299, 533, 943, 1313, 2119, 2323, 3749, 4141, 6683, 12259, 16463, 30199, 48737, 53833, 86879, 95243, 153709, 214019, 378649, 674983, 1238159, 1998217, 4922437, 8774779, 15524609, 201819917]

約数ペア:

[(1, 201819917), (13, 15524609), (23, 8774779), (41, 4922437), (101, 1998217), (163, 1238159), (299, 674983), (533, 378649), (943, 214019), (1313, 153709), (2119, 95243), (2323, 86879), (3749, 53833), (4141, 48737), (6683, 30199), (12259, 16463)]