19893636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 38288124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 887, 1068, 1246, 1602, 1774, 1869, 2492, 2661, 3204, 3548, 3738, 5322, 5607, 6209, 7476, 7983, 10644, 11214, 12418, 15966, 18627, 22428, 24836, 31932, 37254, 55881, 74508, 78943, 111762, 157886, 223524, 236829, 315772, 473658, 552601, 710487, 947316, 1105202, 1420974, 1657803, 2210404, 2841948, 3315606, 4973409, 6631212, 9946818, 19893636]

約数ペア:

[(1, 19893636), (2, 9946818), (3, 6631212), (4, 4973409), (6, 3315606), (7, 2841948), (9, 2210404), (12, 1657803), (14, 1420974), (18, 1105202), (21, 947316), (28, 710487), (36, 552601), (42, 473658), (63, 315772), (84, 236829), (89, 223524), (126, 157886), (178, 111762), (252, 78943), (267, 74508), (356, 55881), (534, 37254), (623, 31932), (801, 24836), (887, 22428), (1068, 18627), (1246, 15966), (1602, 12418), (1774, 11214), (1869, 10644), (2492, 7983), (2661, 7476), (3204, 6209), (3548, 5607), (3738, 5322)]