17898620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 22598788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 863, 1037, 1220, 1726, 2074, 3452, 4148, 4315, 5185, 8630, 10370, 14671, 17260, 20740, 29342, 52643, 58684, 73355, 105286, 146710, 210572, 263215, 293420, 526430, 894931, 1052860, 1789862, 3579724, 4474655, 8949310, 17898620]

約数ペア:

[(1, 17898620), (2, 8949310), (4, 4474655), (5, 3579724), (10, 1789862), (17, 1052860), (20, 894931), (34, 526430), (61, 293420), (68, 263215), (85, 210572), (122, 146710), (170, 105286), (244, 73355), (305, 58684), (340, 52643), (610, 29342), (863, 20740), (1037, 17260), (1220, 14671), (1726, 10370), (2074, 8630), (3452, 5185), (4148, 4315)]