18746035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 30689280

約数和(自身を除く): 11943245

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 73, 77, 115, 145, 161, 203, 253, 319, 365, 385, 511, 667, 803, 805, 1015, 1265, 1595, 1679, 1771, 2117, 2233, 2555, 3335, 4015, 4669, 5621, 7337, 8395, 8855, 10585, 11165, 11753, 14819, 18469, 23287, 23345, 28105, 36685, 48691, 51359, 58765, 74095, 92345, 116435, 129283, 163009, 243455, 256795, 340837, 535601, 646415, 815045, 1704185, 2678005, 3749207, 18746035]

約数ペア:

[(1, 18746035), (5, 3749207), (7, 2678005), (11, 1704185), (23, 815045), (29, 646415), (35, 535601), (55, 340837), (73, 256795), (77, 243455), (115, 163009), (145, 129283), (161, 116435), (203, 92345), (253, 74095), (319, 58765), (365, 51359), (385, 48691), (511, 36685), (667, 28105), (803, 23345), (805, 23287), (1015, 18469), (1265, 14819), (1595, 11753), (1679, 11165), (1771, 10585), (2117, 8855), (2233, 8395), (2555, 7337), (3335, 5621), (4015, 4669)]