18810064

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12919}}^1$

素因数の和:12947

約数の個数: 40

約数和(自身を含む): 44858240

約数和(自身を除く): 26048176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12919, 25838, 51676, 90433, 103352, 167947, 180866, 206704, 335894, 361732, 671788, 723464, 1175629, 1343576, 1446928, 2351258, 2687152, 4702516, 9405032, 18810064]

約数ペア:

[(1, 18810064), (2, 9405032), (4, 4702516), (7, 2687152), (8, 2351258), (13, 1446928), (14, 1343576), (16, 1175629), (26, 723464), (28, 671788), (52, 361732), (56, 335894), (91, 206704), (104, 180866), (112, 167947), (182, 103352), (208, 90433), (364, 51676), (728, 25838), (1456, 12919)]