18266950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 37028880

約数和(自身を除く): 18761930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 179, 314, 325, 358, 650, 785, 895, 1570, 1790, 2041, 2327, 3925, 4082, 4475, 4654, 7850, 8950, 10205, 11635, 20410, 23270, 28103, 51025, 56206, 58175, 102050, 116350, 140515, 281030, 365339, 702575, 730678, 1405150, 1826695, 3653390, 9133475, 18266950]

約数ペア:

[(1, 18266950), (2, 9133475), (5, 3653390), (10, 1826695), (13, 1405150), (25, 730678), (26, 702575), (50, 365339), (65, 281030), (130, 140515), (157, 116350), (179, 102050), (314, 58175), (325, 56206), (358, 51025), (650, 28103), (785, 23270), (895, 20410), (1570, 11635), (1790, 10205), (2041, 8950), (2327, 7850), (3925, 4654), (4082, 4475)]