15811744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18057056

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 191, 199, 208, 382, 398, 416, 764, 796, 1528, 1592, 2483, 2587, 3056, 3184, 4966, 5174, 6112, 6368, 9932, 10348, 19864, 20696, 38009, 39728, 41392, 76018, 79456, 82784, 152036, 304072, 494117, 608144, 988234, 1216288, 1976468, 3952936, 7905872, 15811744]

約数ペア:

[(1, 15811744), (2, 7905872), (4, 3952936), (8, 1976468), (13, 1216288), (16, 988234), (26, 608144), (32, 494117), (52, 304072), (104, 152036), (191, 82784), (199, 79456), (208, 76018), (382, 41392), (398, 39728), (416, 38009), (764, 20696), (796, 19864), (1528, 10348), (1592, 9932), (2483, 6368), (2587, 6112), (3056, 5174), (3184, 4966)]