18847658

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 31069440

約数和(自身を除く): 12221782

約数列:

[1, 2, 19, 38, 47, 61, 94, 122, 173, 346, 893, 1159, 1786, 2318, 2867, 3287, 5734, 6574, 8131, 10553, 16262, 21106, 54473, 108946, 154489, 200507, 308978, 401014, 495991, 991982, 9423829, 18847658]

約数ペア:

[(1, 18847658), (2, 9423829), (19, 991982), (38, 495991), (47, 401014), (61, 308978), (94, 200507), (122, 154489), (173, 108946), (346, 54473), (893, 21106), (1159, 16262), (1786, 10553), (2318, 8131), (2867, 6574), (3287, 5734)]