18560568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 36274632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 101, 104, 114, 124, 152, 156, 186, 202, 228, 247, 248, 303, 312, 372, 403, 404, 456, 494, 589, 606, 741, 744, 806, 808, 988, 1178, 1209, 1212, 1313, 1482, 1612, 1767, 1919, 1976, 2356, 2418, 2424, 2626, 2964, 3131, 3224, 3534, 3838, 3939, 4712, 4836, 5252, 5757, 5928, 6262, 7068, 7657, 7676, 7878, 9393, 9672, 10504, 11514, 12524, 14136, 15314, 15352, 15756, 18786, 22971, 23028, 24947, 25048, 30628, 31512, 37572, 40703, 45942, 46056, 49894, 59489, 61256, 74841, 75144, 81406, 91884, 99788, 118978, 122109, 149682, 162812, 178467, 183768, 199576, 237956, 244218, 299364, 325624, 356934, 475912, 488436, 598728, 713868, 773357, 976872, 1427736, 1546714, 2320071, 3093428, 4640142, 6186856, 9280284, 18560568]

約数ペア:

[(1, 18560568), (2, 9280284), (3, 6186856), (4, 4640142), (6, 3093428), (8, 2320071), (12, 1546714), (13, 1427736), (19, 976872), (24, 773357), (26, 713868), (31, 598728), (38, 488436), (39, 475912), (52, 356934), (57, 325624), (62, 299364), (76, 244218), (78, 237956), (93, 199576), (101, 183768), (104, 178467), (114, 162812), (124, 149682), (152, 122109), (156, 118978), (186, 99788), (202, 91884), (228, 81406), (247, 75144), (248, 74841), (303, 61256), (312, 59489), (372, 49894), (403, 46056), (404, 45942), (456, 40703), (494, 37572), (589, 31512), (606, 30628), (741, 25048), (744, 24947), (806, 23028), (808, 22971), (988, 18786), (1178, 15756), (1209, 15352), (1212, 15314), (1313, 14136), (1482, 12524), (1612, 11514), (1767, 10504), (1919, 9672), (1976, 9393), (2356, 7878), (2418, 7676), (2424, 7657), (2626, 7068), (2964, 6262), (3131, 5928), (3224, 5757), (3534, 5252), (3838, 4836), (3939, 4712)]