16742648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 36708000

約数和(自身を除く): 19965352

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 229, 247, 296, 458, 481, 494, 703, 916, 962, 988, 1406, 1832, 1924, 1976, 2812, 2977, 3848, 4351, 5624, 5954, 8473, 8702, 9139, 11908, 16946, 17404, 18278, 23816, 33892, 34808, 36556, 56563, 67784, 73112, 110149, 113126, 160987, 220298, 226252, 321974, 440596, 452504, 643948, 881192, 1287896, 2092831, 4185662, 8371324, 16742648]

約数ペア:

[(1, 16742648), (2, 8371324), (4, 4185662), (8, 2092831), (13, 1287896), (19, 881192), (26, 643948), (37, 452504), (38, 440596), (52, 321974), (74, 226252), (76, 220298), (104, 160987), (148, 113126), (152, 110149), (229, 73112), (247, 67784), (296, 56563), (458, 36556), (481, 34808), (494, 33892), (703, 23816), (916, 18278), (962, 17404), (988, 16946), (1406, 11908), (1832, 9139), (1924, 8702), (1976, 8473), (2812, 5954), (2977, 5624), (3848, 4351)]