19575632

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 39854592

約数和(自身を除く): 20278960

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 647, 976, 1294, 1891, 2588, 3782, 5176, 7564, 10352, 15128, 20057, 30256, 39467, 40114, 78934, 80228, 157868, 160456, 315736, 320912, 631472, 1223477, 2446954, 4893908, 9787816, 19575632]

約数ペア:

[(1, 19575632), (2, 9787816), (4, 4893908), (8, 2446954), (16, 1223477), (31, 631472), (61, 320912), (62, 315736), (122, 160456), (124, 157868), (244, 80228), (248, 78934), (488, 40114), (496, 39467), (647, 30256), (976, 20057), (1294, 15128), (1891, 10352), (2588, 7564), (3782, 5176)]