18659484

素因数分解:

$2^2\times 3^{10}\times {\mathrm{79}}^1$

素因数の和:113

約数の個数: 66

約数和(自身を含む): 49600880

約数和(自身を除く): 30941396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 316, 324, 474, 486, 711, 729, 948, 972, 1422, 1458, 2133, 2187, 2844, 2916, 4266, 4374, 6399, 6561, 8532, 8748, 12798, 13122, 19197, 19683, 25596, 26244, 38394, 39366, 57591, 59049, 76788, 78732, 115182, 118098, 172773, 230364, 236196, 345546, 518319, 691092, 1036638, 1554957, 2073276, 3109914, 4664871, 6219828, 9329742, 18659484]

約数ペア:

[(1, 18659484), (2, 9329742), (3, 6219828), (4, 4664871), (6, 3109914), (9, 2073276), (12, 1554957), (18, 1036638), (27, 691092), (36, 518319), (54, 345546), (79, 236196), (81, 230364), (108, 172773), (158, 118098), (162, 115182), (237, 78732), (243, 76788), (316, 59049), (324, 57591), (474, 39366), (486, 38394), (711, 26244), (729, 25596), (948, 19683), (972, 19197), (1422, 13122), (1458, 12798), (2133, 8748), (2187, 8532), (2844, 6561), (2916, 6399), (4266, 4374)]