19437834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 45069696

約数和(自身を除く): 25631862

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 107, 137, 214, 221, 274, 321, 411, 442, 642, 663, 822, 1326, 1391, 1781, 1819, 2329, 2782, 3562, 3638, 4173, 4658, 5343, 5457, 6987, 8346, 10686, 10914, 13974, 14659, 23647, 29318, 30277, 43977, 47294, 60554, 70941, 87954, 90831, 141882, 181662, 190567, 249203, 381134, 498406, 571701, 747609, 1143402, 1495218, 3239639, 6479278, 9718917, 19437834]

約数ペア:

[(1, 19437834), (2, 9718917), (3, 6479278), (6, 3239639), (13, 1495218), (17, 1143402), (26, 747609), (34, 571701), (39, 498406), (51, 381134), (78, 249203), (102, 190567), (107, 181662), (137, 141882), (214, 90831), (221, 87954), (274, 70941), (321, 60554), (411, 47294), (442, 43977), (642, 30277), (663, 29318), (822, 23647), (1326, 14659), (1391, 13974), (1781, 10914), (1819, 10686), (2329, 8346), (2782, 6987), (3562, 5457), (3638, 5343), (4173, 4658)]