19817336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27460744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 607, 616, 742, 1166, 1214, 1484, 2332, 2428, 2968, 4081, 4249, 4664, 4856, 6677, 8162, 8498, 13354, 16324, 16996, 26708, 32171, 32648, 33992, 46739, 53416, 64342, 93478, 128684, 186956, 225197, 257368, 353881, 373912, 450394, 707762, 900788, 1415524, 1801576, 2477167, 2831048, 4954334, 9908668, 19817336]

約数ペア:

[(1, 19817336), (2, 9908668), (4, 4954334), (7, 2831048), (8, 2477167), (11, 1801576), (14, 1415524), (22, 900788), (28, 707762), (44, 450394), (53, 373912), (56, 353881), (77, 257368), (88, 225197), (106, 186956), (154, 128684), (212, 93478), (308, 64342), (371, 53416), (424, 46739), (583, 33992), (607, 32648), (616, 32171), (742, 26708), (1166, 16996), (1214, 16324), (1484, 13354), (2332, 8498), (2428, 8162), (2968, 6677), (4081, 4856), (4249, 4664)]