19145650

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 18173390

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 79, 131, 158, 185, 262, 370, 395, 655, 790, 925, 1310, 1850, 1975, 2923, 3275, 3950, 4847, 5846, 6550, 9694, 10349, 14615, 20698, 24235, 29230, 48470, 51745, 73075, 103490, 121175, 146150, 242350, 258725, 382913, 517450, 765826, 1914565, 3829130, 9572825, 19145650]

約数ペア:

[(1, 19145650), (2, 9572825), (5, 3829130), (10, 1914565), (25, 765826), (37, 517450), (50, 382913), (74, 258725), (79, 242350), (131, 146150), (158, 121175), (185, 103490), (262, 73075), (370, 51745), (395, 48470), (655, 29230), (790, 24235), (925, 20698), (1310, 14615), (1850, 10349), (1975, 9694), (2923, 6550), (3275, 5846), (3950, 4847)]