19480578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1823}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 22807038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 1823, 3562, 3646, 5343, 5469, 10686, 10938, 23699, 47398, 71097, 142194, 249751, 499502, 749253, 1498506, 3246763, 6493526, 9740289, 19480578]

約数ペア:

[(1, 19480578), (2, 9740289), (3, 6493526), (6, 3246763), (13, 1498506), (26, 749253), (39, 499502), (78, 249751), (137, 142194), (274, 71097), (411, 47398), (822, 23699), (1781, 10938), (1823, 10686), (3562, 5469), (3646, 5343)]