19796982

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 40487040

約数和(自身を除く): 20690058

約数列:

[1, 2, 3, 6, 89, 131, 178, 262, 267, 283, 393, 534, 566, 786, 849, 1698, 11659, 23318, 25187, 34977, 37073, 50374, 69954, 74146, 75561, 111219, 151122, 222438, 3299497, 6598994, 9898491, 19796982]

約数ペア:

[(1, 19796982), (2, 9898491), (3, 6598994), (6, 3299497), (89, 222438), (131, 151122), (178, 111219), (262, 75561), (267, 74146), (283, 69954), (393, 50374), (534, 37073), (566, 34977), (786, 25187), (849, 23318), (1698, 11659)]