19879132

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4201}}^1$

素因数の和:4238

約数の個数: 36

約数和(自身を含む): 43062096

約数和(自身を除く): 23182964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4201, 4732, 8402, 16804, 29407, 54613, 58814, 109226, 117628, 218452, 382291, 709969, 764582, 1419938, 1529164, 2839876, 4969783, 9939566, 19879132]

約数ペア:

[(1, 19879132), (2, 9939566), (4, 4969783), (7, 2839876), (13, 1529164), (14, 1419938), (26, 764582), (28, 709969), (52, 382291), (91, 218452), (169, 117628), (182, 109226), (338, 58814), (364, 54613), (676, 29407), (1183, 16804), (2366, 8402), (4201, 4732)]