18638328

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^2\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 47575080

約数和(自身を除く): 28936752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 173, 201, 268, 346, 402, 519, 536, 692, 804, 1038, 1384, 1608, 2076, 4152, 4489, 8978, 11591, 13467, 17956, 23182, 26934, 34773, 35912, 46364, 53868, 69546, 92728, 107736, 139092, 278184, 776597, 1553194, 2329791, 3106388, 4659582, 6212776, 9319164, 18638328]

約数ペア:

[(1, 18638328), (2, 9319164), (3, 6212776), (4, 4659582), (6, 3106388), (8, 2329791), (12, 1553194), (24, 776597), (67, 278184), (134, 139092), (173, 107736), (201, 92728), (268, 69546), (346, 53868), (402, 46364), (519, 35912), (536, 34773), (692, 26934), (804, 23182), (1038, 17956), (1384, 13467), (1608, 11591), (2076, 8978), (4152, 4489)]