19027216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5381}}^1$

素因数の和:5419

約数の個数: 40

約数和(自身を含む): 42044184

約数和(自身を除く): 23016968

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5381, 10762, 21524, 43048, 69953, 86096, 91477, 139906, 182954, 279812, 365908, 559624, 731816, 1119248, 1189201, 1463632, 2378402, 4756804, 9513608, 19027216]

約数ペア:

[(1, 19027216), (2, 9513608), (4, 4756804), (8, 2378402), (13, 1463632), (16, 1189201), (17, 1119248), (26, 731816), (34, 559624), (52, 365908), (68, 279812), (104, 182954), (136, 139906), (208, 91477), (221, 86096), (272, 69953), (442, 43048), (884, 21524), (1768, 10762), (3536, 5381)]