17993668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 40755456

約数和(自身を除く): 22761788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 113, 121, 154, 188, 226, 242, 308, 329, 452, 484, 517, 658, 791, 847, 1034, 1243, 1316, 1582, 1694, 2068, 2486, 3164, 3388, 3619, 4972, 5311, 5687, 7238, 8701, 10622, 11374, 13673, 14476, 17402, 21244, 22748, 27346, 34804, 37177, 39809, 54692, 58421, 74354, 79618, 95711, 116842, 148708, 159236, 191422, 233684, 382844, 408947, 642631, 817894, 1285262, 1635788, 2570524, 4498417, 8996834, 17993668]

約数ペア:

[(1, 17993668), (2, 8996834), (4, 4498417), (7, 2570524), (11, 1635788), (14, 1285262), (22, 817894), (28, 642631), (44, 408947), (47, 382844), (77, 233684), (94, 191422), (113, 159236), (121, 148708), (154, 116842), (188, 95711), (226, 79618), (242, 74354), (308, 58421), (329, 54692), (452, 39809), (484, 37177), (517, 34804), (658, 27346), (791, 22748), (847, 21244), (1034, 17402), (1243, 14476), (1316, 13673), (1582, 11374), (1694, 10622), (2068, 8701), (2486, 7238), (3164, 5687), (3388, 5311), (3619, 4972)]