2019384016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{159157}}^1$

素因数の和:159239

約数の個数: 40

約数和(自身を含む): 4282623464

約数和(自身を除く): 2263239448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 159157, 318314, 636628, 1273256, 2069041, 2546512, 4138082, 8276164, 9708577, 16552328, 19417154, 33104656, 38834308, 77668616, 126211501, 155337232, 252423002, 504846004, 1009692008, 2019384016]

約数ペア:

[(1, 2019384016), (2, 1009692008), (4, 504846004), (8, 252423002), (13, 155337232), (16, 126211501), (26, 77668616), (52, 38834308), (61, 33104656), (104, 19417154), (122, 16552328), (208, 9708577), (244, 8276164), (488, 4138082), (793, 2546512), (976, 2069041), (1586, 1273256), (3172, 636628), (6344, 318314), (12688, 159157)]