18651920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1792

約数の個数: 80

約数和(自身を含む): 52199040

約数和(自身を除く): 33547120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1753, 2128, 2660, 3506, 5320, 7012, 8765, 10640, 12271, 14024, 17530, 24542, 28048, 33307, 35060, 49084, 61355, 66614, 70120, 98168, 122710, 133228, 140240, 166535, 196336, 233149, 245420, 266456, 333070, 466298, 490840, 532912, 666140, 932596, 981680, 1165745, 1332280, 1865192, 2331490, 2664560, 3730384, 4662980, 9325960, 18651920]

約数ペア:

[(1, 18651920), (2, 9325960), (4, 4662980), (5, 3730384), (7, 2664560), (8, 2331490), (10, 1865192), (14, 1332280), (16, 1165745), (19, 981680), (20, 932596), (28, 666140), (35, 532912), (38, 490840), (40, 466298), (56, 333070), (70, 266456), (76, 245420), (80, 233149), (95, 196336), (112, 166535), (133, 140240), (140, 133228), (152, 122710), (190, 98168), (266, 70120), (280, 66614), (304, 61355), (380, 49084), (532, 35060), (560, 33307), (665, 28048), (760, 24542), (1064, 17530), (1330, 14024), (1520, 12271), (1753, 10640), (2128, 8765), (2660, 7012), (3506, 5320)]