19660147160

素因数分解:

$2^3\times 5^1\times {\mathrm{2477}}^1\times {\mathrm{198427}}^1$

素因数の和:200915

約数の個数: 32

約数和(自身を含む): 44253412560

約数和(自身を除く): 24593265400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2477, 4954, 9908, 12385, 19816, 24770, 49540, 99080, 198427, 396854, 793708, 992135, 1587416, 1984270, 3968540, 7937080, 491503679, 983007358, 1966014716, 2457518395, 3932029432, 4915036790, 9830073580, 19660147160]

約数ペア:

[(1, 19660147160), (2, 9830073580), (4, 4915036790), (5, 3932029432), (8, 2457518395), (10, 1966014716), (20, 983007358), (40, 491503679), (2477, 7937080), (4954, 3968540), (9908, 1984270), (12385, 1587416), (19816, 992135), (24770, 793708), (49540, 396854), (99080, 198427)]