19272416

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 39327120

約数和(自身を除く): 20054704

約数列:

[1, 2, 4, 8, 16, 32, 67, 89, 101, 134, 178, 202, 268, 356, 404, 536, 712, 808, 1072, 1424, 1616, 2144, 2848, 3232, 5963, 6767, 8989, 11926, 13534, 17978, 23852, 27068, 35956, 47704, 54136, 71912, 95408, 108272, 143824, 190816, 216544, 287648, 602263, 1204526, 2409052, 4818104, 9636208, 19272416]

約数ペア:

[(1, 19272416), (2, 9636208), (4, 4818104), (8, 2409052), (16, 1204526), (32, 602263), (67, 287648), (89, 216544), (101, 190816), (134, 143824), (178, 108272), (202, 95408), (268, 71912), (356, 54136), (404, 47704), (536, 35956), (712, 27068), (808, 23852), (1072, 17978), (1424, 13534), (1616, 11926), (2144, 8989), (2848, 6767), (3232, 5963)]