18204888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 53625600

約数和(自身を除く): 35420712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 37, 38, 39, 52, 57, 74, 76, 78, 83, 104, 111, 114, 148, 152, 156, 166, 222, 228, 247, 249, 296, 312, 332, 444, 456, 481, 494, 498, 664, 703, 741, 888, 962, 988, 996, 1079, 1406, 1443, 1482, 1577, 1924, 1976, 1992, 2109, 2158, 2812, 2886, 2964, 3071, 3154, 3237, 3848, 4218, 4316, 4731, 5624, 5772, 5928, 6142, 6308, 6474, 8436, 8632, 9139, 9213, 9462, 11544, 12284, 12616, 12948, 16872, 18278, 18426, 18924, 20501, 24568, 25896, 27417, 36556, 36852, 37848, 39923, 41002, 54834, 58349, 61503, 73112, 73704, 79846, 82004, 109668, 116698, 119769, 123006, 159692, 164008, 175047, 219336, 233396, 239538, 246012, 319384, 350094, 466792, 479076, 492024, 700188, 758537, 958152, 1400376, 1517074, 2275611, 3034148, 4551222, 6068296, 9102444, 18204888]

約数ペア:

[(1, 18204888), (2, 9102444), (3, 6068296), (4, 4551222), (6, 3034148), (8, 2275611), (12, 1517074), (13, 1400376), (19, 958152), (24, 758537), (26, 700188), (37, 492024), (38, 479076), (39, 466792), (52, 350094), (57, 319384), (74, 246012), (76, 239538), (78, 233396), (83, 219336), (104, 175047), (111, 164008), (114, 159692), (148, 123006), (152, 119769), (156, 116698), (166, 109668), (222, 82004), (228, 79846), (247, 73704), (249, 73112), (296, 61503), (312, 58349), (332, 54834), (444, 41002), (456, 39923), (481, 37848), (494, 36852), (498, 36556), (664, 27417), (703, 25896), (741, 24568), (888, 20501), (962, 18924), (988, 18426), (996, 18278), (1079, 16872), (1406, 12948), (1443, 12616), (1482, 12284), (1577, 11544), (1924, 9462), (1976, 9213), (1992, 9139), (2109, 8632), (2158, 8436), (2812, 6474), (2886, 6308), (2964, 6142), (3071, 5928), (3154, 5772), (3237, 5624), (3848, 4731), (4218, 4316)]