19530992

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 60

約数和(自身を含む): 42479424

約数和(自身を除く): 22948432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 233, 248, 338, 403, 466, 496, 676, 806, 932, 1352, 1612, 1864, 2704, 3029, 3224, 3728, 5239, 6058, 6448, 7223, 10478, 12116, 14446, 20956, 24232, 28892, 39377, 41912, 48464, 57784, 78754, 83824, 93899, 115568, 157508, 187798, 315016, 375596, 630032, 751192, 1220687, 1502384, 2441374, 4882748, 9765496, 19530992]

約数ペア:

[(1, 19530992), (2, 9765496), (4, 4882748), (8, 2441374), (13, 1502384), (16, 1220687), (26, 751192), (31, 630032), (52, 375596), (62, 315016), (104, 187798), (124, 157508), (169, 115568), (208, 93899), (233, 83824), (248, 78754), (338, 57784), (403, 48464), (466, 41912), (496, 39377), (676, 28892), (806, 24232), (932, 20956), (1352, 14446), (1612, 12116), (1864, 10478), (2704, 7223), (3029, 6448), (3224, 6058), (3728, 5239)]