18928104

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 55910400

約数和(自身を除く): 36982296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 103, 104, 114, 124, 152, 156, 186, 206, 228, 247, 248, 309, 312, 372, 403, 412, 456, 494, 589, 618, 741, 744, 806, 824, 988, 1178, 1209, 1236, 1339, 1482, 1612, 1767, 1957, 1976, 2356, 2418, 2472, 2678, 2964, 3193, 3224, 3534, 3914, 4017, 4712, 4836, 5356, 5871, 5928, 6386, 7068, 7657, 7828, 8034, 9579, 9672, 10712, 11742, 12772, 14136, 15314, 15656, 16068, 19158, 22971, 23484, 25441, 25544, 30628, 32136, 38316, 41509, 45942, 46968, 50882, 60667, 61256, 76323, 76632, 83018, 91884, 101764, 121334, 124527, 152646, 166036, 182001, 183768, 203528, 242668, 249054, 305292, 332072, 364002, 485336, 498108, 610584, 728004, 788671, 996216, 1456008, 1577342, 2366013, 3154684, 4732026, 6309368, 9464052, 18928104]

約数ペア:

[(1, 18928104), (2, 9464052), (3, 6309368), (4, 4732026), (6, 3154684), (8, 2366013), (12, 1577342), (13, 1456008), (19, 996216), (24, 788671), (26, 728004), (31, 610584), (38, 498108), (39, 485336), (52, 364002), (57, 332072), (62, 305292), (76, 249054), (78, 242668), (93, 203528), (103, 183768), (104, 182001), (114, 166036), (124, 152646), (152, 124527), (156, 121334), (186, 101764), (206, 91884), (228, 83018), (247, 76632), (248, 76323), (309, 61256), (312, 60667), (372, 50882), (403, 46968), (412, 45942), (456, 41509), (494, 38316), (589, 32136), (618, 30628), (741, 25544), (744, 25441), (806, 23484), (824, 22971), (988, 19158), (1178, 16068), (1209, 15656), (1236, 15314), (1339, 14136), (1482, 12772), (1612, 11742), (1767, 10712), (1957, 9672), (1976, 9579), (2356, 8034), (2418, 7828), (2472, 7657), (2678, 7068), (2964, 6386), (3193, 5928), (3224, 5871), (3534, 5356), (3914, 4836), (4017, 4712)]