12411940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 27820800

約数和(自身を除く): 15408860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 367, 380, 445, 734, 890, 1468, 1691, 1780, 1835, 3382, 3670, 6764, 6973, 7340, 8455, 13946, 16910, 27892, 32663, 33820, 34865, 65326, 69730, 130652, 139460, 163315, 326630, 620597, 653260, 1241194, 2482388, 3102985, 6205970, 12411940]

約数ペア:

[(1, 12411940), (2, 6205970), (4, 3102985), (5, 2482388), (10, 1241194), (19, 653260), (20, 620597), (38, 326630), (76, 163315), (89, 139460), (95, 130652), (178, 69730), (190, 65326), (356, 34865), (367, 33820), (380, 32663), (445, 27892), (734, 16910), (890, 13946), (1468, 8455), (1691, 7340), (1780, 6973), (1835, 6764), (3382, 3670)]