19971264

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 112

約数和(自身を含む): 56327040

約数和(自身を除く): 36355776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 43, 48, 59, 64, 82, 86, 96, 118, 123, 129, 164, 172, 177, 192, 236, 246, 258, 328, 344, 354, 472, 492, 516, 656, 688, 708, 944, 984, 1032, 1312, 1376, 1416, 1763, 1888, 1968, 2064, 2419, 2537, 2624, 2752, 2832, 3526, 3776, 3936, 4128, 4838, 5074, 5289, 5664, 7052, 7257, 7611, 7872, 8256, 9676, 10148, 10578, 11328, 14104, 14514, 15222, 19352, 20296, 21156, 28208, 29028, 30444, 38704, 40592, 42312, 56416, 58056, 60888, 77408, 81184, 84624, 104017, 112832, 116112, 121776, 154816, 162368, 169248, 208034, 232224, 243552, 312051, 338496, 416068, 464448, 487104, 624102, 832136, 1248204, 1664272, 2496408, 3328544, 4992816, 6657088, 9985632, 19971264]

約数ペア:

[(1, 19971264), (2, 9985632), (3, 6657088), (4, 4992816), (6, 3328544), (8, 2496408), (12, 1664272), (16, 1248204), (24, 832136), (32, 624102), (41, 487104), (43, 464448), (48, 416068), (59, 338496), (64, 312051), (82, 243552), (86, 232224), (96, 208034), (118, 169248), (123, 162368), (129, 154816), (164, 121776), (172, 116112), (177, 112832), (192, 104017), (236, 84624), (246, 81184), (258, 77408), (328, 60888), (344, 58056), (354, 56416), (472, 42312), (492, 40592), (516, 38704), (656, 30444), (688, 29028), (708, 28208), (944, 21156), (984, 20296), (1032, 19352), (1312, 15222), (1376, 14514), (1416, 14104), (1763, 11328), (1888, 10578), (1968, 10148), (2064, 9676), (2419, 8256), (2537, 7872), (2624, 7611), (2752, 7257), (2832, 7052), (3526, 5664), (3776, 5289), (3936, 5074), (4128, 4838)]