19953832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 19329368

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1319, 1891, 2638, 3782, 5276, 7564, 10552, 15128, 40889, 80459, 81778, 160918, 163556, 321836, 327112, 643672, 2494229, 4988458, 9976916, 19953832]

約数ペア:

[(1, 19953832), (2, 9976916), (4, 4988458), (8, 2494229), (31, 643672), (61, 327112), (62, 321836), (122, 163556), (124, 160918), (244, 81778), (248, 80459), (488, 40889), (1319, 15128), (1891, 10552), (2638, 7564), (3782, 5276)]