17954972

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 36953784

約数和(自身を除く): 18998812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 907, 1414, 1814, 2828, 3628, 4949, 6349, 9898, 12698, 19796, 25396, 44443, 88886, 91607, 177772, 183214, 366428, 641249, 1282498, 2564996, 4488743, 8977486, 17954972]

約数ペア:

[(1, 17954972), (2, 8977486), (4, 4488743), (7, 2564996), (14, 1282498), (28, 641249), (49, 366428), (98, 183214), (101, 177772), (196, 91607), (202, 88886), (404, 44443), (707, 25396), (907, 19796), (1414, 12698), (1814, 9898), (2828, 6349), (3628, 4949)]