18899478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4751}}^1$

素因数の和:4789

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 27803178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4751, 9502, 14253, 28506, 42759, 61763, 80767, 85518, 123526, 161534, 185289, 242301, 370578, 484602, 555867, 726903, 1049971, 1111734, 1453806, 2099942, 3149913, 6299826, 9449739, 18899478]

約数ペア:

[(1, 18899478), (2, 9449739), (3, 6299826), (6, 3149913), (9, 2099942), (13, 1453806), (17, 1111734), (18, 1049971), (26, 726903), (34, 555867), (39, 484602), (51, 370578), (78, 242301), (102, 185289), (117, 161534), (153, 123526), (221, 85518), (234, 80767), (306, 61763), (442, 42759), (663, 28506), (1326, 14253), (1989, 9502), (3978, 4751)]