18617688

素因数分解:

$2^3\times 3^5\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 53486160

約数和(自身を除く): 34868472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 81, 108, 122, 157, 162, 183, 216, 243, 244, 314, 324, 366, 471, 486, 488, 549, 628, 648, 732, 942, 972, 1098, 1256, 1413, 1464, 1647, 1884, 1944, 2196, 2826, 3294, 3768, 4239, 4392, 4941, 5652, 6588, 8478, 9577, 9882, 11304, 12717, 13176, 14823, 16956, 19154, 19764, 25434, 28731, 29646, 33912, 38151, 38308, 39528, 50868, 57462, 59292, 76302, 76616, 86193, 101736, 114924, 118584, 152604, 172386, 229848, 258579, 305208, 344772, 517158, 689544, 775737, 1034316, 1551474, 2068632, 2327211, 3102948, 4654422, 6205896, 9308844, 18617688]

約数ペア:

[(1, 18617688), (2, 9308844), (3, 6205896), (4, 4654422), (6, 3102948), (8, 2327211), (9, 2068632), (12, 1551474), (18, 1034316), (24, 775737), (27, 689544), (36, 517158), (54, 344772), (61, 305208), (72, 258579), (81, 229848), (108, 172386), (122, 152604), (157, 118584), (162, 114924), (183, 101736), (216, 86193), (243, 76616), (244, 76302), (314, 59292), (324, 57462), (366, 50868), (471, 39528), (486, 38308), (488, 38151), (549, 33912), (628, 29646), (648, 28731), (732, 25434), (942, 19764), (972, 19154), (1098, 16956), (1256, 14823), (1413, 13176), (1464, 12717), (1647, 11304), (1884, 9882), (1944, 9577), (2196, 8478), (2826, 6588), (3294, 5652), (3768, 4941), (4239, 4392)]