19448819.000000000

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 217437696

約数和(自身を除く): 116875052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 431, 641, 862, 1282, 1724, 2564, 3017, 4487, 5603, 6034, 8333, 8974, 11206, 12068, 16666, 17948, 22412, 33332, 39221, 58331, 78442, 116662, 156884, 233324, 276271, 552542, 1105084, 1933897, 3591523, 3867794, 7183046, 7735588, 14366092, 25140661, 50281322, 100562644]

約数ペア:

[(1, 100562644), (2, 50281322), (4, 25140661), (7, 14366092), (13, 7735588), (14, 7183046), (26, 3867794), (28, 3591523), (52, 1933897), (91, 1105084), (182, 552542), (364, 276271), (431, 233324), (641, 156884), (862, 116662), (1282, 78442), (1724, 58331), (2564, 39221), (3017, 33332), (4487, 22412), (5603, 17948), (6034, 16666), (8333, 12068), (8974, 11206)]