19471816

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 45749340

約数和(自身を除く): 26277524

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3821, 5096, 7642, 15284, 26747, 30568, 49673, 53494, 99346, 106988, 187229, 198692, 213976, 347711, 374458, 397384, 695422, 748916, 1390844, 1497832, 2433977, 2781688, 4867954, 9735908, 19471816]

約数ペア:

[(1, 19471816), (2, 9735908), (4, 4867954), (7, 2781688), (8, 2433977), (13, 1497832), (14, 1390844), (26, 748916), (28, 695422), (49, 397384), (52, 374458), (56, 347711), (91, 213976), (98, 198692), (104, 187229), (182, 106988), (196, 99346), (364, 53494), (392, 49673), (637, 30568), (728, 26747), (1274, 15284), (2548, 7642), (3821, 5096)]