18536856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35895144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 53, 57, 59, 76, 78, 104, 106, 114, 118, 152, 156, 159, 177, 212, 228, 236, 247, 312, 318, 354, 424, 456, 472, 494, 636, 689, 708, 741, 767, 988, 1007, 1121, 1272, 1378, 1416, 1482, 1534, 1976, 2014, 2067, 2242, 2301, 2756, 2964, 3021, 3068, 3127, 3363, 4028, 4134, 4484, 4602, 5512, 5928, 6042, 6136, 6254, 6726, 8056, 8268, 8968, 9204, 9381, 12084, 12508, 13091, 13452, 14573, 16536, 18408, 18762, 24168, 25016, 26182, 26904, 29146, 37524, 39273, 40651, 43719, 52364, 58292, 59413, 75048, 78546, 81302, 87438, 104728, 116584, 118826, 121953, 157092, 162604, 174876, 178239, 237652, 243906, 314184, 325208, 349752, 356478, 475304, 487812, 712956, 772369, 975624, 1425912, 1544738, 2317107, 3089476, 4634214, 6178952, 9268428, 18536856]

約数ペア:

[(1, 18536856), (2, 9268428), (3, 6178952), (4, 4634214), (6, 3089476), (8, 2317107), (12, 1544738), (13, 1425912), (19, 975624), (24, 772369), (26, 712956), (38, 487812), (39, 475304), (52, 356478), (53, 349752), (57, 325208), (59, 314184), (76, 243906), (78, 237652), (104, 178239), (106, 174876), (114, 162604), (118, 157092), (152, 121953), (156, 118826), (159, 116584), (177, 104728), (212, 87438), (228, 81302), (236, 78546), (247, 75048), (312, 59413), (318, 58292), (354, 52364), (424, 43719), (456, 40651), (472, 39273), (494, 37524), (636, 29146), (689, 26904), (708, 26182), (741, 25016), (767, 24168), (988, 18762), (1007, 18408), (1121, 16536), (1272, 14573), (1378, 13452), (1416, 13091), (1482, 12508), (1534, 12084), (1976, 9381), (2014, 9204), (2067, 8968), (2242, 8268), (2301, 8056), (2756, 6726), (2964, 6254), (3021, 6136), (3068, 6042), (3127, 5928), (3363, 5512), (4028, 4602), (4134, 4484)]