18690832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61483}}^1$

素因数の和:61510

約数の個数: 20

約数和(自身を含む): 38120080

約数和(自身を除く): 19429248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61483, 122966, 245932, 491864, 983728, 1168177, 2336354, 4672708, 9345416, 18690832]

約数ペア:

[(1, 18690832), (2, 9345416), (4, 4672708), (8, 2336354), (16, 1168177), (19, 983728), (38, 491864), (76, 245932), (152, 122966), (304, 61483)]