18679128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 55641600

約数和(自身を除く): 36962472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 23, 24, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 104, 114, 137, 138, 152, 156, 184, 228, 247, 274, 276, 299, 312, 411, 437, 456, 494, 548, 552, 598, 741, 822, 874, 897, 988, 1096, 1196, 1311, 1482, 1644, 1748, 1781, 1794, 1976, 2392, 2603, 2622, 2964, 3151, 3288, 3496, 3562, 3588, 5206, 5244, 5343, 5681, 5928, 6302, 7124, 7176, 7809, 9453, 10412, 10488, 10686, 11362, 12604, 14248, 15618, 17043, 18906, 20824, 21372, 22724, 25208, 31236, 33839, 34086, 37812, 40963, 42744, 45448, 59869, 62472, 67678, 68172, 75624, 81926, 101517, 119738, 122889, 135356, 136344, 163852, 179607, 203034, 239476, 245778, 270712, 327704, 359214, 406068, 478952, 491556, 718428, 778297, 812136, 983112, 1436856, 1556594, 2334891, 3113188, 4669782, 6226376, 9339564, 18679128]

約数ペア:

[(1, 18679128), (2, 9339564), (3, 6226376), (4, 4669782), (6, 3113188), (8, 2334891), (12, 1556594), (13, 1436856), (19, 983112), (23, 812136), (24, 778297), (26, 718428), (38, 491556), (39, 478952), (46, 406068), (52, 359214), (57, 327704), (69, 270712), (76, 245778), (78, 239476), (92, 203034), (104, 179607), (114, 163852), (137, 136344), (138, 135356), (152, 122889), (156, 119738), (184, 101517), (228, 81926), (247, 75624), (274, 68172), (276, 67678), (299, 62472), (312, 59869), (411, 45448), (437, 42744), (456, 40963), (494, 37812), (548, 34086), (552, 33839), (598, 31236), (741, 25208), (822, 22724), (874, 21372), (897, 20824), (988, 18906), (1096, 17043), (1196, 15618), (1311, 14248), (1482, 12604), (1644, 11362), (1748, 10686), (1781, 10488), (1794, 10412), (1976, 9453), (2392, 7809), (2603, 7176), (2622, 7124), (2964, 6302), (3151, 5928), (3288, 5681), (3496, 5343), (3562, 5244), (3588, 5206)]