18641964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7433}}^1$

素因数の和:7470

約数の個数: 48

約数和(自身を含む): 49956480

約数和(自身を除く): 31314516

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 7433, 14866, 22299, 29732, 44598, 81763, 89196, 141227, 163526, 245289, 282454, 327052, 423681, 490578, 564908, 847362, 981156, 1553497, 1694724, 3106994, 4660491, 6213988, 9320982, 18641964]

約数ペア:

[(1, 18641964), (2, 9320982), (3, 6213988), (4, 4660491), (6, 3106994), (11, 1694724), (12, 1553497), (19, 981156), (22, 847362), (33, 564908), (38, 490578), (44, 423681), (57, 327052), (66, 282454), (76, 245289), (114, 163526), (132, 141227), (209, 89196), (228, 81763), (418, 44598), (627, 29732), (836, 22299), (1254, 14866), (2508, 7433)]