18702764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 36220800

約数和(自身を除く): 17518036

約数列:

[1, 2, 4, 19, 38, 43, 59, 76, 86, 97, 118, 172, 194, 236, 388, 817, 1121, 1634, 1843, 2242, 2537, 3268, 3686, 4171, 4484, 5074, 5723, 7372, 8342, 10148, 11446, 16684, 22892, 48203, 79249, 96406, 108737, 158498, 192812, 217474, 246089, 316996, 434948, 492178, 984356, 4675691, 9351382, 18702764]

約数ペア:

[(1, 18702764), (2, 9351382), (4, 4675691), (19, 984356), (38, 492178), (43, 434948), (59, 316996), (76, 246089), (86, 217474), (97, 192812), (118, 158498), (172, 108737), (194, 96406), (236, 79249), (388, 48203), (817, 22892), (1121, 16684), (1634, 11446), (1843, 10148), (2242, 8342), (2537, 7372), (3268, 5723), (3686, 5074), (4171, 4484)]