17920458

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{859}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 41589600

約数和(自身を除く): 23669142

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 859, 1098, 1159, 1718, 2318, 2577, 3477, 5154, 6954, 7731, 10431, 15462, 16321, 20862, 32642, 48963, 52399, 97926, 104798, 146889, 157197, 293778, 314394, 471591, 943182, 995581, 1991162, 2986743, 5973486, 8960229, 17920458]

約数ペア:

[(1, 17920458), (2, 8960229), (3, 5973486), (6, 2986743), (9, 1991162), (18, 995581), (19, 943182), (38, 471591), (57, 314394), (61, 293778), (114, 157197), (122, 146889), (171, 104798), (183, 97926), (342, 52399), (366, 48963), (549, 32642), (859, 20862), (1098, 16321), (1159, 15462), (1718, 10431), (2318, 7731), (2577, 6954), (3477, 5154)]