19491316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1297}}^1$

素因数の和:1348

約数の個数: 36

約数和(自身を含む): 39051628

約数和(自身を除く): 19560312

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1297, 2594, 3757, 5188, 7514, 15028, 16861, 22049, 33722, 44098, 67444, 88196, 286637, 374833, 573274, 749666, 1146548, 1499332, 4872829, 9745658, 19491316]

約数ペア:

[(1, 19491316), (2, 9745658), (4, 4872829), (13, 1499332), (17, 1146548), (26, 749666), (34, 573274), (52, 374833), (68, 286637), (221, 88196), (289, 67444), (442, 44098), (578, 33722), (884, 22049), (1156, 16861), (1297, 15028), (2594, 7514), (3757, 5188)]