19401998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7411}}^1$

素因数の和:7448

約数の個数: 32

約数和(自身を含む): 38423808

約数和(自身を除く): 19021810

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 7411, 14822, 51877, 81521, 103754, 125987, 163042, 251974, 570647, 881909, 1141294, 1385857, 1763818, 2771714, 9700999, 19401998]

約数ペア:

[(1, 19401998), (2, 9700999), (7, 2771714), (11, 1763818), (14, 1385857), (17, 1141294), (22, 881909), (34, 570647), (77, 251974), (119, 163042), (154, 125987), (187, 103754), (238, 81521), (374, 51877), (1309, 14822), (2618, 7411)]