18138222016

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{481171}}^1$

素因数の和:481233

約数の個数: 56

約数和(自身を含む): 39109660160

約数和(自身を除く): 20971438144

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 9424, 18848, 37696, 481171, 962342, 1924684, 3849368, 7698736, 9142249, 14916301, 15397472, 18284498, 29832602, 30794944, 36568996, 59665204, 73137992, 119330408, 146275984, 238660816, 283409719, 292551968, 477321632, 566819438, 585103936, 954643264, 1133638876, 2267277752, 4534555504, 9069111008, 18138222016]

約数ペア:

[(1, 18138222016), (2, 9069111008), (4, 4534555504), (8, 2267277752), (16, 1133638876), (19, 954643264), (31, 585103936), (32, 566819438), (38, 477321632), (62, 292551968), (64, 283409719), (76, 238660816), (124, 146275984), (152, 119330408), (248, 73137992), (304, 59665204), (496, 36568996), (589, 30794944), (608, 29832602), (992, 18284498), (1178, 15397472), (1216, 14916301), (1984, 9142249), (2356, 7698736), (4712, 3849368), (9424, 1924684), (18848, 962342), (37696, 481171)]