18649892072

素因数分解:

$2^3\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{320533}}^1$

素因数の和:321585

約数の個数: 32

約数和(自身を含む): 40002643200

約数和(自身を除く): 21352751128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1039, 2078, 4156, 7273, 8312, 14546, 29092, 58184, 320533, 641066, 1282132, 2243731, 2564264, 4487462, 8974924, 17949848, 333033787, 666067574, 1332135148, 2331236509, 2664270296, 4662473018, 9324946036, 18649892072]

約数ペア:

[(1, 18649892072), (2, 9324946036), (4, 4662473018), (7, 2664270296), (8, 2331236509), (14, 1332135148), (28, 666067574), (56, 333033787), (1039, 17949848), (2078, 8974924), (4156, 4487462), (7273, 2564264), (8312, 2243731), (14546, 1282132), (29092, 641066), (58184, 320533)]