18973734

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 25479066

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 41, 51, 78, 82, 102, 123, 221, 246, 349, 442, 533, 663, 697, 698, 1047, 1066, 1326, 1394, 1599, 2091, 2094, 3198, 4182, 4537, 5933, 9061, 9074, 11866, 13611, 14309, 17799, 18122, 27183, 27222, 28618, 35598, 42927, 54366, 77129, 85854, 154258, 186017, 231387, 243253, 372034, 462774, 486506, 558051, 729759, 1116102, 1459518, 3162289, 6324578, 9486867, 18973734]

約数ペア:

[(1, 18973734), (2, 9486867), (3, 6324578), (6, 3162289), (13, 1459518), (17, 1116102), (26, 729759), (34, 558051), (39, 486506), (41, 462774), (51, 372034), (78, 243253), (82, 231387), (102, 186017), (123, 154258), (221, 85854), (246, 77129), (349, 54366), (442, 42927), (533, 35598), (663, 28618), (697, 27222), (698, 27183), (1047, 18122), (1066, 17799), (1326, 14309), (1394, 13611), (1599, 11866), (2091, 9074), (2094, 9061), (3198, 5933), (4182, 4537)]