18671488

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 41310000

約数和(自身を除く): 22638512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 128, 149, 176, 178, 298, 352, 356, 596, 704, 712, 979, 1192, 1408, 1424, 1639, 1958, 2384, 2848, 3278, 3916, 4768, 5696, 6556, 7832, 9536, 11392, 13112, 13261, 15664, 19072, 26224, 26522, 31328, 52448, 53044, 62656, 104896, 106088, 125312, 145871, 209792, 212176, 291742, 424352, 583484, 848704, 1166968, 1697408, 2333936, 4667872, 9335744, 18671488]

約数ペア:

[(1, 18671488), (2, 9335744), (4, 4667872), (8, 2333936), (11, 1697408), (16, 1166968), (22, 848704), (32, 583484), (44, 424352), (64, 291742), (88, 212176), (89, 209792), (128, 145871), (149, 125312), (176, 106088), (178, 104896), (298, 62656), (352, 53044), (356, 52448), (596, 31328), (704, 26522), (712, 26224), (979, 19072), (1192, 15664), (1408, 13261), (1424, 13112), (1639, 11392), (1958, 9536), (2384, 7832), (2848, 6556), (3278, 5696), (3916, 4768)]