2018903618

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{947}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 3123394560

約数和(自身を除く): 1104490942

約数列:

[1, 2, 79, 103, 131, 158, 206, 262, 947, 1894, 8137, 10349, 13493, 16274, 20698, 26986, 74813, 97541, 124057, 149626, 195082, 248114, 1065947, 2131894, 7705739, 9800503, 12777871, 15411478, 19601006, 25555742, 1009451809, 2018903618]

約数ペア:

[(1, 2018903618), (2, 1009451809), (79, 25555742), (103, 19601006), (131, 15411478), (158, 12777871), (206, 9800503), (262, 7705739), (947, 2131894), (1894, 1065947), (8137, 248114), (10349, 195082), (13493, 149626), (16274, 124057), (20698, 97541), (26986, 74813)]