20181287049

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{23593}}^1$

素因数の和:23667

約数の個数: 72

約数和(自身を含む): 35697910752

約数和(自身を除く): 15516623703

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 529, 539, 759, 1127, 1587, 1617, 1771, 3381, 3703, 5313, 5819, 11109, 12397, 17457, 23593, 25921, 37191, 40733, 70779, 77763, 122199, 165151, 259523, 285131, 495453, 542639, 778569, 855393, 1156057, 1627917, 1816661, 3468171, 3798473, 5449983, 5969029, 11395419, 12480697, 12716627, 17907087, 26589311, 37442091, 38149881, 41783203, 79767933, 87364879, 125349609, 137287667, 262094637, 292482421, 411863001, 611554153, 877447263, 961013669, 1834662459, 2883041007, 6727095683, 20181287049]

約数ペア:

[(1, 20181287049), (3, 6727095683), (7, 2883041007), (11, 1834662459), (21, 961013669), (23, 877447263), (33, 611554153), (49, 411863001), (69, 292482421), (77, 262094637), (147, 137287667), (161, 125349609), (231, 87364879), (253, 79767933), (483, 41783203), (529, 38149881), (539, 37442091), (759, 26589311), (1127, 17907087), (1587, 12716627), (1617, 12480697), (1771, 11395419), (3381, 5969029), (3703, 5449983), (5313, 3798473), (5819, 3468171), (11109, 1816661), (12397, 1627917), (17457, 1156057), (23593, 855393), (25921, 778569), (37191, 542639), (40733, 495453), (70779, 285131), (77763, 259523), (122199, 165151)]