19824992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3313}}^1$

素因数の和:3351

約数の個数: 48

約数和(自身を含む): 45096912

約数和(自身を除く): 25271920

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3313, 5984, 6626, 13252, 26504, 36443, 53008, 56321, 72886, 106016, 112642, 145772, 225284, 291544, 450568, 583088, 619531, 901136, 1166176, 1239062, 1802272, 2478124, 4956248, 9912496, 19824992]

約数ペア:

[(1, 19824992), (2, 9912496), (4, 4956248), (8, 2478124), (11, 1802272), (16, 1239062), (17, 1166176), (22, 901136), (32, 619531), (34, 583088), (44, 450568), (68, 291544), (88, 225284), (136, 145772), (176, 112642), (187, 106016), (272, 72886), (352, 56321), (374, 53008), (544, 36443), (748, 26504), (1496, 13252), (2992, 6626), (3313, 5984)]