17867828

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 37984800

約数和(自身を除く): 20116972

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 67, 76, 116, 121, 134, 209, 242, 268, 319, 418, 484, 551, 638, 737, 836, 1102, 1273, 1276, 1474, 1943, 2204, 2299, 2546, 2948, 3509, 3886, 4598, 5092, 6061, 7018, 7772, 8107, 9196, 12122, 14003, 14036, 16214, 21373, 24244, 28006, 32428, 36917, 42746, 56012, 66671, 73834, 85492, 133342, 147668, 154033, 235103, 266684, 308066, 406087, 470206, 616132, 812174, 940412, 1624348, 4466957, 8933914, 17867828]

約数ペア:

[(1, 17867828), (2, 8933914), (4, 4466957), (11, 1624348), (19, 940412), (22, 812174), (29, 616132), (38, 470206), (44, 406087), (58, 308066), (67, 266684), (76, 235103), (116, 154033), (121, 147668), (134, 133342), (209, 85492), (242, 73834), (268, 66671), (319, 56012), (418, 42746), (484, 36917), (551, 32428), (638, 28006), (737, 24244), (836, 21373), (1102, 16214), (1273, 14036), (1276, 14003), (1474, 12122), (1943, 9196), (2204, 8107), (2299, 7772), (2546, 7018), (2948, 6061), (3509, 5092), (3886, 4598)]