19462768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 40966128

約数和(自身を除く): 21503360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 683, 1096, 1366, 1781, 2192, 2732, 3562, 5464, 7124, 8879, 10928, 14248, 17758, 28496, 35516, 71032, 93571, 142064, 187142, 374284, 748568, 1216423, 1497136, 2432846, 4865692, 9731384, 19462768]

約数ペア:

[(1, 19462768), (2, 9731384), (4, 4865692), (8, 2432846), (13, 1497136), (16, 1216423), (26, 748568), (52, 374284), (104, 187142), (137, 142064), (208, 93571), (274, 71032), (548, 35516), (683, 28496), (1096, 17758), (1366, 14248), (1781, 10928), (2192, 8879), (2732, 7124), (3562, 5464)]