19798116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 50097600

約数和(自身を除く): 30299484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 179, 358, 537, 709, 716, 1074, 1418, 2127, 2148, 2327, 2836, 4254, 4654, 6981, 8508, 9217, 9308, 13962, 18434, 27651, 27924, 36868, 55302, 110604, 126911, 253822, 380733, 507644, 761466, 1522932, 1649843, 3299686, 4949529, 6599372, 9899058, 19798116]

約数ペア:

[(1, 19798116), (2, 9899058), (3, 6599372), (4, 4949529), (6, 3299686), (12, 1649843), (13, 1522932), (26, 761466), (39, 507644), (52, 380733), (78, 253822), (156, 126911), (179, 110604), (358, 55302), (537, 36868), (709, 27924), (716, 27651), (1074, 18434), (1418, 13962), (2127, 9308), (2148, 9217), (2327, 8508), (2836, 6981), (4254, 4654)]