19318130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 37700208

約数和(自身を除く): 18382078

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 821, 905, 1642, 1810, 2353, 4105, 4706, 8210, 10673, 11765, 21346, 23530, 53365, 106730, 148601, 297202, 743005, 1486010, 1931813, 3863626, 9659065, 19318130]

約数ペア:

[(1, 19318130), (2, 9659065), (5, 3863626), (10, 1931813), (13, 1486010), (26, 743005), (65, 297202), (130, 148601), (181, 106730), (362, 53365), (821, 23530), (905, 21346), (1642, 11765), (1810, 10673), (2353, 8210), (4105, 4706)]