19902199572

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{42979}}^1$

素因数の和:43685

約数の個数: 72

約数和(自身を含む): 53035600800

約数和(自身を除く): 33133401228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 677, 684, 1354, 2031, 2708, 4062, 6093, 8124, 12186, 12863, 24372, 25726, 38589, 42979, 51452, 77178, 85958, 115767, 128937, 154356, 171916, 231534, 257874, 386811, 463068, 515748, 773622, 816601, 1547244, 1633202, 2449803, 3266404, 4899606, 7349409, 9799212, 14698818, 29096783, 29397636, 58193566, 87290349, 116387132, 174580698, 261871047, 349161396, 523742094, 552838877, 1047484188, 1105677754, 1658516631, 2211355508, 3317033262, 4975549893, 6634066524, 9951099786, 19902199572]

約数ペア:

[(1, 19902199572), (2, 9951099786), (3, 6634066524), (4, 4975549893), (6, 3317033262), (9, 2211355508), (12, 1658516631), (18, 1105677754), (19, 1047484188), (36, 552838877), (38, 523742094), (57, 349161396), (76, 261871047), (114, 174580698), (171, 116387132), (228, 87290349), (342, 58193566), (677, 29397636), (684, 29096783), (1354, 14698818), (2031, 9799212), (2708, 7349409), (4062, 4899606), (6093, 3266404), (8124, 2449803), (12186, 1633202), (12863, 1547244), (24372, 816601), (25726, 773622), (38589, 515748), (42979, 463068), (51452, 386811), (77178, 257874), (85958, 231534), (115767, 171916), (128937, 154356)]