19850896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5023}}^1$

素因数の和:5063

約数の個数: 40

約数和(自身を含む): 43608320

約数和(自身を除く): 23757424

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5023, 10046, 20092, 40184, 65299, 80368, 95437, 130598, 190874, 261196, 381748, 522392, 763496, 1044784, 1240681, 1526992, 2481362, 4962724, 9925448, 19850896]

約数ペア:

[(1, 19850896), (2, 9925448), (4, 4962724), (8, 2481362), (13, 1526992), (16, 1240681), (19, 1044784), (26, 763496), (38, 522392), (52, 381748), (76, 261196), (104, 190874), (152, 130598), (208, 95437), (247, 80368), (304, 65299), (494, 40184), (988, 20092), (1976, 10046), (3952, 5023)]