19714780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 45108000

約数和(自身を除く): 25393220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1789, 2204, 2755, 3578, 5510, 7156, 8945, 11020, 17890, 33991, 35780, 51881, 67982, 103762, 135964, 169955, 207524, 259405, 339910, 518810, 679820, 985739, 1037620, 1971478, 3942956, 4928695, 9857390, 19714780]

約数ペア:

[(1, 19714780), (2, 9857390), (4, 4928695), (5, 3942956), (10, 1971478), (19, 1037620), (20, 985739), (29, 679820), (38, 518810), (58, 339910), (76, 259405), (95, 207524), (116, 169955), (145, 135964), (190, 103762), (290, 67982), (380, 51881), (551, 35780), (580, 33991), (1102, 17890), (1789, 11020), (2204, 8945), (2755, 7156), (3578, 5510)]