18749950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 36805680

約数和(自身を除く): 18055730

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 67, 134, 145, 193, 290, 335, 386, 670, 725, 965, 1450, 1675, 1930, 1943, 3350, 3886, 4825, 5597, 9650, 9715, 11194, 12931, 19430, 25862, 27985, 48575, 55970, 64655, 97150, 129310, 139925, 279850, 323275, 374999, 646550, 749998, 1874995, 3749990, 9374975, 18749950]

約数ペア:

[(1, 18749950), (2, 9374975), (5, 3749990), (10, 1874995), (25, 749998), (29, 646550), (50, 374999), (58, 323275), (67, 279850), (134, 139925), (145, 129310), (193, 97150), (290, 64655), (335, 55970), (386, 48575), (670, 27985), (725, 25862), (965, 19430), (1450, 12931), (1675, 11194), (1930, 9715), (1943, 9650), (3350, 5597), (3886, 4825)]