19937944

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{14747}}^1$

素因数の和:14779

約数の個数: 24

約数和(自身を含む): 40483260

約数和(自身を除く): 20545316

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 14747, 29494, 58988, 117976, 191711, 383422, 766844, 1533688, 2492243, 4984486, 9968972, 19937944]

約数ペア:

[(1, 19937944), (2, 9968972), (4, 4984486), (8, 2492243), (13, 1533688), (26, 766844), (52, 383422), (104, 191711), (169, 117976), (338, 58988), (676, 29494), (1352, 14747)]