19339216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:983

約数の個数: 40

約数和(自身を含む): 40769960

約数和(自身を除く): 21430744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 853, 872, 1417, 1706, 1744, 2834, 3412, 5668, 6824, 11089, 11336, 13648, 22178, 22672, 44356, 88712, 92977, 177424, 185954, 371908, 743816, 1208701, 1487632, 2417402, 4834804, 9669608, 19339216]

約数ペア:

[(1, 19339216), (2, 9669608), (4, 4834804), (8, 2417402), (13, 1487632), (16, 1208701), (26, 743816), (52, 371908), (104, 185954), (109, 177424), (208, 92977), (218, 88712), (436, 44356), (853, 22672), (872, 22178), (1417, 13648), (1706, 11336), (1744, 11089), (2834, 6824), (3412, 5668)]