19663416

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3457}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 53944800

約数和(自身を除く): 34281384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3457, 5688, 6914, 10371, 13828, 20742, 27656, 31113, 41484, 62226, 82968, 124452, 248904, 273103, 546206, 819309, 1092412, 1638618, 2184824, 2457927, 3277236, 4915854, 6554472, 9831708, 19663416]

約数ペア:

[(1, 19663416), (2, 9831708), (3, 6554472), (4, 4915854), (6, 3277236), (8, 2457927), (9, 2184824), (12, 1638618), (18, 1092412), (24, 819309), (36, 546206), (72, 273103), (79, 248904), (158, 124452), (237, 82968), (316, 62226), (474, 41484), (632, 31113), (711, 27656), (948, 20742), (1422, 13828), (1896, 10371), (2844, 6914), (3457, 5688)]