18972728

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 37519200

約数和(自身を除く): 18546472

約数列:

[1, 2, 4, 8, 29, 53, 58, 106, 116, 212, 232, 424, 1537, 1543, 3074, 3086, 6148, 6172, 12296, 12344, 44747, 81779, 89494, 163558, 178988, 327116, 357976, 654232, 2371591, 4743182, 9486364, 18972728]

約数ペア:

[(1, 18972728), (2, 9486364), (4, 4743182), (8, 2371591), (29, 654232), (53, 357976), (58, 327116), (106, 178988), (116, 163558), (212, 89494), (232, 81779), (424, 44747), (1537, 12344), (1543, 12296), (3074, 6172), (3086, 6148)]