18782488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4261}}^1$

素因数の和:4315

約数の個数: 32

約数和(自身を含む): 38358000

約数和(自身を除く): 19575512

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4261, 4408, 8522, 17044, 34088, 80959, 123569, 161918, 247138, 323836, 494276, 647672, 988552, 2347811, 4695622, 9391244, 18782488]

約数ペア:

[(1, 18782488), (2, 9391244), (4, 4695622), (8, 2347811), (19, 988552), (29, 647672), (38, 494276), (58, 323836), (76, 247138), (116, 161918), (152, 123569), (232, 80959), (551, 34088), (1102, 17044), (2204, 8522), (4261, 4408)]