19988232

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{6883}}^1$

素因数の和:6914

約数の個数: 48

約数和(自身を含む): 54934320

約数和(自身を除く): 34946088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 6883, 13766, 20649, 27532, 41298, 55064, 75713, 82596, 151426, 165192, 227139, 302852, 454278, 605704, 832843, 908556, 1665686, 1817112, 2498529, 3331372, 4997058, 6662744, 9994116, 19988232]

約数ペア:

[(1, 19988232), (2, 9994116), (3, 6662744), (4, 4997058), (6, 3331372), (8, 2498529), (11, 1817112), (12, 1665686), (22, 908556), (24, 832843), (33, 605704), (44, 454278), (66, 302852), (88, 227139), (121, 165192), (132, 151426), (242, 82596), (264, 75713), (363, 55064), (484, 41298), (726, 27532), (968, 20649), (1452, 13766), (2904, 6883)]