19395844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 39817008

約数和(自身を除く): 20421164

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 593, 629, 884, 962, 1186, 1258, 1924, 2372, 2516, 7709, 8177, 10081, 15418, 16354, 20162, 21941, 30836, 32708, 40324, 43882, 87764, 131053, 262106, 285233, 372997, 524212, 570466, 745994, 1140932, 1491988, 4848961, 9697922, 19395844]

約数ペア:

[(1, 19395844), (2, 9697922), (4, 4848961), (13, 1491988), (17, 1140932), (26, 745994), (34, 570466), (37, 524212), (52, 372997), (68, 285233), (74, 262106), (148, 131053), (221, 87764), (442, 43882), (481, 40324), (593, 32708), (629, 30836), (884, 21941), (962, 20162), (1186, 16354), (1258, 15418), (1924, 10081), (2372, 8177), (2516, 7709)]