19874224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2413

約数の個数: 40

約数和(自身を含む): 42104448

約数和(自身を除く): 22230224

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2357, 4216, 4714, 8432, 9428, 18856, 37712, 40069, 73067, 80138, 146134, 160276, 292268, 320552, 584536, 641104, 1169072, 1242139, 2484278, 4968556, 9937112, 19874224]

約数ペア:

[(1, 19874224), (2, 9937112), (4, 4968556), (8, 2484278), (16, 1242139), (17, 1169072), (31, 641104), (34, 584536), (62, 320552), (68, 292268), (124, 160276), (136, 146134), (248, 80138), (272, 73067), (496, 40069), (527, 37712), (1054, 18856), (2108, 9428), (2357, 8432), (4216, 4714)]