19155464

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 38669400

約数和(自身を除く): 19513936

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 2309, 4148, 4618, 8296, 9236, 18472, 39253, 78506, 140849, 157012, 281698, 314024, 563396, 1126792, 2394433, 4788866, 9577732, 19155464]

約数ペア:

[(1, 19155464), (2, 9577732), (4, 4788866), (8, 2394433), (17, 1126792), (34, 563396), (61, 314024), (68, 281698), (122, 157012), (136, 140849), (244, 78506), (488, 39253), (1037, 18472), (2074, 9236), (2309, 8296), (4148, 4618)]