19968156796

素因数分解:

$2^2\times 7^2\times {\mathrm{101878351}}^1$

素因数の和:101878369

約数の個数: 18

約数和(自身を含む): 40649462448

約数和(自身を除く): 20681305652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 101878351, 203756702, 407513404, 713148457, 1426296914, 2852593828, 4992039199, 9984078398, 19968156796]

約数ペア:

[(1, 19968156796), (2, 9984078398), (4, 4992039199), (7, 2852593828), (14, 1426296914), (28, 713148457), (49, 407513404), (98, 203756702), (196, 101878351)]