18725928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 51528960

約数和(自身を除く): 32803032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1277, 1833, 2444, 2554, 3666, 3831, 4888, 5108, 7332, 7662, 10216, 14664, 15324, 16601, 30648, 33202, 49803, 60019, 66404, 99606, 120038, 132808, 180057, 199212, 240076, 360114, 398424, 480152, 720228, 780247, 1440456, 1560494, 2340741, 3120988, 4681482, 6241976, 9362964, 18725928]

約数ペア:

[(1, 18725928), (2, 9362964), (3, 6241976), (4, 4681482), (6, 3120988), (8, 2340741), (12, 1560494), (13, 1440456), (24, 780247), (26, 720228), (39, 480152), (47, 398424), (52, 360114), (78, 240076), (94, 199212), (104, 180057), (141, 132808), (156, 120038), (188, 99606), (282, 66404), (312, 60019), (376, 49803), (564, 33202), (611, 30648), (1128, 16601), (1222, 15324), (1277, 14664), (1833, 10216), (2444, 7662), (2554, 7332), (3666, 5108), (3831, 4888)]