28686618

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2267}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 67223520

約数和(自身を除く): 38536902

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 2109, 2267, 4218, 4534, 6327, 6801, 12654, 13602, 20403, 40806, 43073, 83879, 86146, 129219, 167758, 251637, 258438, 387657, 503274, 754911, 775314, 1509822, 1593701, 3187402, 4781103, 9562206, 14343309, 28686618]

約数ペア:

[(1, 28686618), (2, 14343309), (3, 9562206), (6, 4781103), (9, 3187402), (18, 1593701), (19, 1509822), (37, 775314), (38, 754911), (57, 503274), (74, 387657), (111, 258438), (114, 251637), (171, 167758), (222, 129219), (333, 86146), (342, 83879), (666, 43073), (703, 40806), (1406, 20403), (2109, 13602), (2267, 12654), (4218, 6801), (4534, 6327)]