19774810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6199}}^1$

素因数の和:6246

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 20401190

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6199, 12398, 30995, 61990, 68189, 136378, 179771, 340945, 359542, 681890, 898855, 1797710, 1977481, 3954962, 9887405, 19774810]

約数ペア:

[(1, 19774810), (2, 9887405), (5, 3954962), (10, 1977481), (11, 1797710), (22, 898855), (29, 681890), (55, 359542), (58, 340945), (110, 179771), (145, 136378), (290, 68189), (319, 61990), (638, 30995), (1595, 12398), (3190, 6199)]