18971690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3278

約数の個数: 32

約数和(自身を含む): 37117440

約数和(自身を除く): 18145750

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3221, 5890, 6442, 16105, 32210, 61199, 99851, 122398, 199702, 305995, 499255, 611990, 998510, 1897169, 3794338, 9485845, 18971690]

約数ペア:

[(1, 18971690), (2, 9485845), (5, 3794338), (10, 1897169), (19, 998510), (31, 611990), (38, 499255), (62, 305995), (95, 199702), (155, 122398), (190, 99851), (310, 61199), (589, 32210), (1178, 16105), (2945, 6442), (3221, 5890)]