19515204

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 52619840

約数和(自身を除く): 33104636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 103, 114, 171, 206, 228, 277, 309, 342, 412, 554, 618, 684, 831, 927, 1108, 1236, 1662, 1854, 1957, 2493, 3324, 3708, 3914, 4986, 5263, 5871, 7828, 9972, 10526, 11742, 15789, 17613, 21052, 23484, 28531, 31578, 35226, 47367, 57062, 63156, 70452, 85593, 94734, 114124, 171186, 189468, 256779, 342372, 513558, 542089, 1027116, 1084178, 1626267, 2168356, 3252534, 4878801, 6505068, 9757602, 19515204]

約数ペア:

[(1, 19515204), (2, 9757602), (3, 6505068), (4, 4878801), (6, 3252534), (9, 2168356), (12, 1626267), (18, 1084178), (19, 1027116), (36, 542089), (38, 513558), (57, 342372), (76, 256779), (103, 189468), (114, 171186), (171, 114124), (206, 94734), (228, 85593), (277, 70452), (309, 63156), (342, 57062), (412, 47367), (554, 35226), (618, 31578), (684, 28531), (831, 23484), (927, 21052), (1108, 17613), (1236, 15789), (1662, 11742), (1854, 10526), (1957, 9972), (2493, 7828), (3324, 5871), (3708, 5263), (3914, 4986)]