19496516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 37384704

約数和(自身を除く): 17888188

約数列:

[1, 2, 4, 13, 26, 52, 151, 169, 191, 302, 338, 382, 604, 676, 764, 1963, 2483, 3926, 4966, 7852, 9932, 25519, 28841, 32279, 51038, 57682, 64558, 102076, 115364, 129116, 374933, 749866, 1499732, 4874129, 9748258, 19496516]

約数ペア:

[(1, 19496516), (2, 9748258), (4, 4874129), (13, 1499732), (26, 749866), (52, 374933), (151, 129116), (169, 115364), (191, 102076), (302, 64558), (338, 57682), (382, 51038), (604, 32279), (676, 28841), (764, 25519), (1963, 9932), (2483, 7852), (3926, 4966)]