18154538

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 30715200

約数和(自身を除く): 12560662

約数列:

[1, 2, 17, 19, 34, 38, 157, 179, 314, 323, 358, 646, 2669, 2983, 3043, 3401, 5338, 5966, 6086, 6802, 28103, 50711, 56206, 57817, 101422, 115634, 477751, 533957, 955502, 1067914, 9077269, 18154538]

約数ペア:

[(1, 18154538), (2, 9077269), (17, 1067914), (19, 955502), (34, 533957), (38, 477751), (157, 115634), (179, 101422), (314, 57817), (323, 56206), (358, 50711), (646, 28103), (2669, 6802), (2983, 6086), (3043, 5966), (3401, 5338)]