19871664

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 53829888

約数和(自身を除く): 33958224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 67, 74, 111, 134, 148, 167, 201, 222, 268, 296, 334, 402, 444, 501, 536, 592, 668, 804, 888, 1002, 1072, 1336, 1608, 1776, 2004, 2479, 2672, 3216, 4008, 4958, 6179, 7437, 8016, 9916, 11189, 12358, 14874, 18537, 19832, 22378, 24716, 29748, 33567, 37074, 39664, 44756, 49432, 59496, 67134, 74148, 89512, 98864, 118992, 134268, 148296, 179024, 268536, 296592, 413993, 537072, 827986, 1241979, 1655972, 2483958, 3311944, 4967916, 6623888, 9935832, 19871664]

約数ペア:

[(1, 19871664), (2, 9935832), (3, 6623888), (4, 4967916), (6, 3311944), (8, 2483958), (12, 1655972), (16, 1241979), (24, 827986), (37, 537072), (48, 413993), (67, 296592), (74, 268536), (111, 179024), (134, 148296), (148, 134268), (167, 118992), (201, 98864), (222, 89512), (268, 74148), (296, 67134), (334, 59496), (402, 49432), (444, 44756), (501, 39664), (536, 37074), (592, 33567), (668, 29748), (804, 24716), (888, 22378), (1002, 19832), (1072, 18537), (1336, 14874), (1608, 12358), (1776, 11189), (2004, 9916), (2479, 8016), (2672, 7437), (3216, 6179), (4008, 4958)]