19243354

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 36

約数和(自身を含む): 33371514

約数和(自身を除く): 14128160

約数列:

[1, 2, 13, 17, 26, 34, 169, 197, 221, 289, 338, 394, 442, 578, 2561, 2873, 3349, 3757, 5122, 5746, 6698, 7514, 33293, 43537, 48841, 56933, 66586, 87074, 97682, 113866, 565981, 740129, 1131962, 1480258, 9621677, 19243354]

約数ペア:

[(1, 19243354), (2, 9621677), (13, 1480258), (17, 1131962), (26, 740129), (34, 565981), (169, 113866), (197, 97682), (221, 87074), (289, 66586), (338, 56933), (394, 48841), (442, 43537), (578, 33293), (2561, 7514), (2873, 6698), (3349, 5746), (3757, 5122)]