18815472

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:92

約数の個数: 180

約数和(自身を含む): 62400520

約数和(自身を除く): 43585048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 23, 24, 26, 36, 38, 39, 46, 48, 52, 57, 69, 72, 76, 78, 92, 104, 114, 117, 138, 144, 152, 156, 171, 184, 207, 208, 228, 234, 247, 276, 299, 304, 312, 342, 368, 414, 437, 456, 468, 494, 529, 552, 598, 624, 684, 741, 828, 874, 897, 912, 936, 988, 1058, 1104, 1196, 1311, 1368, 1482, 1587, 1656, 1748, 1794, 1872, 1976, 2116, 2223, 2392, 2622, 2691, 2736, 2964, 3174, 3312, 3496, 3588, 3933, 3952, 4232, 4446, 4761, 4784, 5244, 5382, 5681, 5928, 6348, 6877, 6992, 7176, 7866, 8464, 8892, 9522, 10051, 10488, 10764, 11362, 11856, 12696, 13754, 14352, 15732, 17043, 17784, 19044, 20102, 20631, 20976, 21528, 22724, 25392, 27508, 30153, 31464, 34086, 35568, 38088, 40204, 41262, 43056, 45448, 51129, 55016, 60306, 61893, 62928, 68172, 76176, 80408, 82524, 90459, 90896, 102258, 110032, 120612, 123786, 130663, 136344, 160816, 165048, 180918, 204516, 241224, 247572, 261326, 272688, 330096, 361836, 391989, 409032, 482448, 495144, 522652, 723672, 783978, 818064, 990288, 1045304, 1175967, 1447344, 1567956, 2090608, 2351934, 3135912, 4703868, 6271824, 9407736, 18815472]

約数ペア:

[(1, 18815472), (2, 9407736), (3, 6271824), (4, 4703868), (6, 3135912), (8, 2351934), (9, 2090608), (12, 1567956), (13, 1447344), (16, 1175967), (18, 1045304), (19, 990288), (23, 818064), (24, 783978), (26, 723672), (36, 522652), (38, 495144), (39, 482448), (46, 409032), (48, 391989), (52, 361836), (57, 330096), (69, 272688), (72, 261326), (76, 247572), (78, 241224), (92, 204516), (104, 180918), (114, 165048), (117, 160816), (138, 136344), (144, 130663), (152, 123786), (156, 120612), (171, 110032), (184, 102258), (207, 90896), (208, 90459), (228, 82524), (234, 80408), (247, 76176), (276, 68172), (299, 62928), (304, 61893), (312, 60306), (342, 55016), (368, 51129), (414, 45448), (437, 43056), (456, 41262), (468, 40204), (494, 38088), (529, 35568), (552, 34086), (598, 31464), (624, 30153), (684, 27508), (741, 25392), (828, 22724), (874, 21528), (897, 20976), (912, 20631), (936, 20102), (988, 19044), (1058, 17784), (1104, 17043), (1196, 15732), (1311, 14352), (1368, 13754), (1482, 12696), (1587, 11856), (1656, 11362), (1748, 10764), (1794, 10488), (1872, 10051), (1976, 9522), (2116, 8892), (2223, 8464), (2392, 7866), (2622, 7176), (2691, 6992), (2736, 6877), (2964, 6348), (3174, 5928), (3312, 5681), (3496, 5382), (3588, 5244), (3933, 4784), (3952, 4761), (4232, 4446)]