149376784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{491371}}^1$

素因数の和:491398

約数の個数: 20

約数和(自身を含む): 304650640

約数和(自身を除く): 155273856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 491371, 982742, 1965484, 3930968, 7861936, 9336049, 18672098, 37344196, 74688392, 149376784]

約数ペア:

[(1, 149376784), (2, 74688392), (4, 37344196), (8, 18672098), (16, 9336049), (19, 7861936), (38, 3930968), (76, 1965484), (152, 982742), (304, 491371)]