19639926

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 44723328

約数和(自身を除く): 25083402

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 366, 549, 558, 577, 1098, 1154, 1731, 1891, 3462, 3782, 5193, 5673, 10386, 11346, 17019, 17887, 34038, 35197, 35774, 53661, 70394, 105591, 107322, 160983, 211182, 316773, 321966, 633546, 1091107, 2182214, 3273321, 6546642, 9819963, 19639926]

約数ペア:

[(1, 19639926), (2, 9819963), (3, 6546642), (6, 3273321), (9, 2182214), (18, 1091107), (31, 633546), (61, 321966), (62, 316773), (93, 211182), (122, 160983), (183, 107322), (186, 105591), (279, 70394), (366, 53661), (549, 35774), (558, 35197), (577, 34038), (1098, 17887), (1154, 17019), (1731, 11346), (1891, 10386), (3462, 5673), (3782, 5193)]