19555491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 9232989

約数列:

[1, 3, 17, 51, 59, 67, 97, 177, 201, 291, 1003, 1139, 1649, 3009, 3417, 3953, 4947, 5723, 6499, 11859, 17169, 19497, 67201, 97291, 110483, 201603, 291873, 331449, 383441, 1150323, 6518497, 19555491]

約数ペア:

[(1, 19555491), (3, 6518497), (17, 1150323), (51, 383441), (59, 331449), (67, 291873), (97, 201603), (177, 110483), (201, 97291), (291, 67201), (1003, 19497), (1139, 17169), (1649, 11859), (3009, 6499), (3417, 5723), (3953, 4947)]