18518733

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 28886400

約数和(自身を除く): 10367667

約数列:

[1, 3, 9, 27, 29, 67, 87, 201, 261, 353, 603, 783, 1059, 1809, 1943, 3177, 5829, 9531, 10237, 17487, 23651, 30711, 52461, 70953, 92133, 212859, 276399, 638577, 685879, 2057637, 6172911, 18518733]

約数ペア:

[(1, 18518733), (3, 6172911), (9, 2057637), (27, 685879), (29, 638577), (67, 276399), (87, 212859), (201, 92133), (261, 70953), (353, 52461), (603, 30711), (783, 23651), (1059, 17487), (1809, 10237), (1943, 9531), (3177, 5829)]