19852568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 39432000

約数和(自身を除く): 19579432

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 619, 844, 1238, 1688, 2476, 4009, 4952, 8018, 11761, 16036, 23522, 32072, 47044, 94088, 130609, 261218, 522436, 1044872, 2481571, 4963142, 9926284, 19852568]

約数ペア:

[(1, 19852568), (2, 9926284), (4, 4963142), (8, 2481571), (19, 1044872), (38, 522436), (76, 261218), (152, 130609), (211, 94088), (422, 47044), (619, 32072), (844, 23522), (1238, 16036), (1688, 11761), (2476, 8018), (4009, 4952)]