201817810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1907}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 383279040

約数和(自身を除く): 181461230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 557, 1114, 1907, 2785, 3814, 5570, 9535, 10583, 19070, 21166, 36233, 52915, 72466, 105830, 181165, 362330, 1062199, 2124398, 5310995, 10621990, 20181781, 40363562, 100908905, 201817810]

約数ペア:

[(1, 201817810), (2, 100908905), (5, 40363562), (10, 20181781), (19, 10621990), (38, 5310995), (95, 2124398), (190, 1062199), (557, 362330), (1114, 181165), (1907, 105830), (2785, 72466), (3814, 52915), (5570, 36233), (9535, 21166), (10583, 19070)]