31773890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1879}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 60912000

約数和(自身を除く): 29138110

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 1879, 3382, 3758, 8455, 9395, 16910, 18790, 35701, 71402, 167231, 178505, 334462, 357010, 836155, 1672310, 3177389, 6354778, 15886945, 31773890]

約数ペア:

[(1, 31773890), (2, 15886945), (5, 6354778), (10, 3177389), (19, 1672310), (38, 836155), (89, 357010), (95, 334462), (178, 178505), (190, 167231), (445, 71402), (890, 35701), (1691, 18790), (1879, 16910), (3382, 9395), (3758, 8455)]