17898950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 17723770

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 83, 95, 166, 190, 227, 415, 454, 475, 830, 950, 1135, 1577, 2075, 2270, 3154, 4150, 4313, 5675, 7885, 8626, 11350, 15770, 18841, 21565, 37682, 39425, 43130, 78850, 94205, 107825, 188410, 215650, 357979, 471025, 715958, 942050, 1789895, 3579790, 8949475, 17898950]

約数ペア:

[(1, 17898950), (2, 8949475), (5, 3579790), (10, 1789895), (19, 942050), (25, 715958), (38, 471025), (50, 357979), (83, 215650), (95, 188410), (166, 107825), (190, 94205), (227, 78850), (415, 43130), (454, 39425), (475, 37682), (830, 21565), (950, 18841), (1135, 15770), (1577, 11350), (2075, 8626), (2270, 7885), (3154, 5675), (4150, 4313)]