19383856

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 39015360

約数和(自身を除く): 19631504

約数列:

[1, 2, 4, 8, 16, 37, 74, 137, 148, 239, 274, 296, 478, 548, 592, 956, 1096, 1912, 2192, 3824, 5069, 8843, 10138, 17686, 20276, 32743, 35372, 40552, 65486, 70744, 81104, 130972, 141488, 261944, 523888, 1211491, 2422982, 4845964, 9691928, 19383856]

約数ペア:

[(1, 19383856), (2, 9691928), (4, 4845964), (8, 2422982), (16, 1211491), (37, 523888), (74, 261944), (137, 141488), (148, 130972), (239, 81104), (274, 70744), (296, 65486), (478, 40552), (548, 35372), (592, 32743), (956, 20276), (1096, 17686), (1912, 10138), (2192, 8843), (3824, 5069)]