19137478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 12823610

約数列:

[1, 2, 17, 31, 34, 62, 67, 134, 271, 527, 542, 1054, 1139, 2077, 2278, 4154, 4607, 8401, 9214, 16802, 18157, 35309, 36314, 70618, 142817, 285634, 308669, 562867, 617338, 1125734, 9568739, 19137478]

約数ペア:

[(1, 19137478), (2, 9568739), (17, 1125734), (31, 617338), (34, 562867), (62, 308669), (67, 285634), (134, 142817), (271, 70618), (527, 36314), (542, 35309), (1054, 18157), (1139, 16802), (2077, 9214), (2278, 8401), (4154, 4607)]