2019911795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{7951}}^1$

素因数の和:8147

約数の個数: 32

約数和(自身を含む): 2748211200

約数和(自身を除く): 728299405

約数列:

[1, 5, 11, 31, 55, 149, 155, 341, 745, 1639, 1705, 4619, 7951, 8195, 23095, 39755, 50809, 87461, 246481, 254045, 437305, 1184699, 1232405, 2711291, 5923495, 13031689, 13556455, 36725669, 65158445, 183628345, 403982359, 2019911795]

約数ペア:

[(1, 2019911795), (5, 403982359), (11, 183628345), (31, 65158445), (55, 36725669), (149, 13556455), (155, 13031689), (341, 5923495), (745, 2711291), (1639, 1232405), (1705, 1184699), (4619, 437305), (7951, 254045), (8195, 246481), (23095, 87461), (39755, 50809)]