18840450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 50282496

約数和(自身を除く): 31442046

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 43, 46, 50, 69, 75, 86, 115, 127, 129, 138, 150, 215, 230, 254, 258, 345, 381, 430, 575, 635, 645, 690, 762, 989, 1075, 1150, 1270, 1290, 1725, 1905, 1978, 2150, 2921, 2967, 3175, 3225, 3450, 3810, 4945, 5461, 5842, 5934, 6350, 6450, 8763, 9525, 9890, 10922, 14605, 14835, 16383, 17526, 19050, 24725, 27305, 29210, 29670, 32766, 43815, 49450, 54610, 73025, 74175, 81915, 87630, 125603, 136525, 146050, 148350, 163830, 219075, 251206, 273050, 376809, 409575, 438150, 628015, 753618, 819150, 1256030, 1884045, 3140075, 3768090, 6280150, 9420225, 18840450]

約数ペア:

[(1, 18840450), (2, 9420225), (3, 6280150), (5, 3768090), (6, 3140075), (10, 1884045), (15, 1256030), (23, 819150), (25, 753618), (30, 628015), (43, 438150), (46, 409575), (50, 376809), (69, 273050), (75, 251206), (86, 219075), (115, 163830), (127, 148350), (129, 146050), (138, 136525), (150, 125603), (215, 87630), (230, 81915), (254, 74175), (258, 73025), (345, 54610), (381, 49450), (430, 43815), (575, 32766), (635, 29670), (645, 29210), (690, 27305), (762, 24725), (989, 19050), (1075, 17526), (1150, 16383), (1270, 14835), (1290, 14605), (1725, 10922), (1905, 9890), (1978, 9525), (2150, 8763), (2921, 6450), (2967, 6350), (3175, 5934), (3225, 5842), (3450, 5461), (3810, 4945)]