19980768

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7177}}^1$

素因数の和:7219

約数の個数: 48

約数和(自身を含む): 54265680

約数和(自身を除く): 34284912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7177, 14354, 21531, 28708, 43062, 57416, 86124, 114832, 172248, 208133, 229664, 344496, 416266, 624399, 688992, 832532, 1248798, 1665064, 2497596, 3330128, 4995192, 6660256, 9990384, 19980768]

約数ペア:

[(1, 19980768), (2, 9990384), (3, 6660256), (4, 4995192), (6, 3330128), (8, 2497596), (12, 1665064), (16, 1248798), (24, 832532), (29, 688992), (32, 624399), (48, 416266), (58, 344496), (87, 229664), (96, 208133), (116, 172248), (174, 114832), (232, 86124), (348, 57416), (464, 43062), (696, 28708), (928, 21531), (1392, 14354), (2784, 7177)]