18558904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 45061920

約数和(自身を除く): 26503016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 53, 56, 74, 91, 104, 106, 148, 169, 182, 212, 259, 296, 338, 364, 371, 424, 481, 518, 676, 689, 728, 742, 962, 1036, 1183, 1352, 1378, 1484, 1924, 1961, 2072, 2366, 2756, 2968, 3367, 3848, 3922, 4732, 4823, 5512, 6253, 6734, 7844, 8957, 9464, 9646, 12506, 13468, 13727, 15688, 17914, 19292, 25012, 25493, 26936, 27454, 35828, 38584, 43771, 50024, 50986, 54908, 62699, 71656, 87542, 101972, 109816, 125398, 175084, 178451, 203944, 250796, 331409, 350168, 356902, 501592, 662818, 713804, 1325636, 1427608, 2319863, 2651272, 4639726, 9279452, 18558904]

約数ペア:

[(1, 18558904), (2, 9279452), (4, 4639726), (7, 2651272), (8, 2319863), (13, 1427608), (14, 1325636), (26, 713804), (28, 662818), (37, 501592), (52, 356902), (53, 350168), (56, 331409), (74, 250796), (91, 203944), (104, 178451), (106, 175084), (148, 125398), (169, 109816), (182, 101972), (212, 87542), (259, 71656), (296, 62699), (338, 54908), (364, 50986), (371, 50024), (424, 43771), (481, 38584), (518, 35828), (676, 27454), (689, 26936), (728, 25493), (742, 25012), (962, 19292), (1036, 17914), (1183, 15688), (1352, 13727), (1378, 13468), (1484, 12506), (1924, 9646), (1961, 9464), (2072, 8957), (2366, 7844), (2756, 6734), (2968, 6253), (3367, 5512), (3848, 4823), (3922, 4732)]