2019021488

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{22189}}^1$

素因数の和:22266

約数の個数: 60

約数和(自身を含む): 4391489760

約数和(自身を除く): 2372468272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 121, 176, 188, 242, 376, 484, 517, 752, 968, 1034, 1936, 2068, 4136, 5687, 8272, 11374, 22189, 22748, 44378, 45496, 88756, 90992, 177512, 244079, 355024, 488158, 976316, 1042883, 1952632, 2085766, 2684869, 3905264, 4171532, 5369738, 8343064, 10739476, 11471713, 16686128, 21478952, 22943426, 42957904, 45886852, 91773704, 126188843, 183547408, 252377686, 504755372, 1009510744, 2019021488]

約数ペア:

[(1, 2019021488), (2, 1009510744), (4, 504755372), (8, 252377686), (11, 183547408), (16, 126188843), (22, 91773704), (44, 45886852), (47, 42957904), (88, 22943426), (94, 21478952), (121, 16686128), (176, 11471713), (188, 10739476), (242, 8343064), (376, 5369738), (484, 4171532), (517, 3905264), (752, 2684869), (968, 2085766), (1034, 1952632), (1936, 1042883), (2068, 976316), (4136, 488158), (5687, 355024), (8272, 244079), (11374, 177512), (22189, 90992), (22748, 88756), (44378, 45496)]