18991854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 49305600

約数和(自身を除く): 30313746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 94, 126, 141, 189, 282, 329, 378, 423, 658, 846, 987, 1069, 1269, 1974, 2138, 2538, 2961, 3207, 5922, 6414, 7483, 8883, 9621, 14966, 17766, 19242, 22449, 28863, 44898, 50243, 57726, 67347, 100486, 134694, 150729, 202041, 301458, 351701, 404082, 452187, 703402, 904374, 1055103, 1356561, 2110206, 2713122, 3165309, 6330618, 9495927, 18991854]

約数ペア:

[(1, 18991854), (2, 9495927), (3, 6330618), (6, 3165309), (7, 2713122), (9, 2110206), (14, 1356561), (18, 1055103), (21, 904374), (27, 703402), (42, 452187), (47, 404082), (54, 351701), (63, 301458), (94, 202041), (126, 150729), (141, 134694), (189, 100486), (282, 67347), (329, 57726), (378, 50243), (423, 44898), (658, 28863), (846, 22449), (987, 19242), (1069, 17766), (1269, 14966), (1974, 9621), (2138, 8883), (2538, 7483), (2961, 6414), (3207, 5922)]