19667120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22349}}^1$

素因数の和:22373

約数の個数: 40

約数和(自身を含む): 49885200

約数和(自身を除く): 30218080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22349, 44698, 89396, 111745, 178792, 223490, 245839, 357584, 446980, 491678, 893960, 983356, 1229195, 1787920, 1966712, 2458390, 3933424, 4916780, 9833560, 19667120]

約数ペア:

[(1, 19667120), (2, 9833560), (4, 4916780), (5, 3933424), (8, 2458390), (10, 1966712), (11, 1787920), (16, 1229195), (20, 983356), (22, 893960), (40, 491678), (44, 446980), (55, 357584), (80, 245839), (88, 223490), (110, 178792), (176, 111745), (220, 89396), (440, 44698), (880, 22349)]