19817924

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 41414016

約数和(自身を除く): 21596092

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 283, 287, 427, 566, 574, 854, 1132, 1148, 1708, 1981, 2501, 3962, 5002, 7924, 10004, 11603, 17263, 17507, 23206, 34526, 35014, 46412, 69052, 70028, 81221, 120841, 162442, 241682, 324884, 483364, 707783, 1415566, 2831132, 4954481, 9908962, 19817924]

約数ペア:

[(1, 19817924), (2, 9908962), (4, 4954481), (7, 2831132), (14, 1415566), (28, 707783), (41, 483364), (61, 324884), (82, 241682), (122, 162442), (164, 120841), (244, 81221), (283, 70028), (287, 69052), (427, 46412), (566, 35014), (574, 34526), (854, 23206), (1132, 17507), (1148, 17263), (1708, 11603), (1981, 10004), (2501, 7924), (3962, 5002)]