19984356

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11329}}^1$

素因数の和:11353

約数の個数: 54

約数和(自身を含む): 58768710

約数和(自身を除く): 38784354

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11329, 22658, 33987, 45316, 67974, 79303, 101961, 135948, 158606, 203922, 237909, 317212, 407844, 475818, 555121, 713727, 951636, 1110242, 1427454, 1665363, 2220484, 2854908, 3330726, 4996089, 6661452, 9992178, 19984356]

約数ペア:

[(1, 19984356), (2, 9992178), (3, 6661452), (4, 4996089), (6, 3330726), (7, 2854908), (9, 2220484), (12, 1665363), (14, 1427454), (18, 1110242), (21, 951636), (28, 713727), (36, 555121), (42, 475818), (49, 407844), (63, 317212), (84, 237909), (98, 203922), (126, 158606), (147, 135948), (196, 101961), (252, 79303), (294, 67974), (441, 45316), (588, 33987), (882, 22658), (1764, 11329)]