18887976

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13807}}^1$

素因数の和:13838

約数の個数: 48

約数和(自身を含む): 53851200

約数和(自身を除く): 34963224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13807, 27614, 41421, 55228, 82842, 110456, 124263, 165684, 248526, 262333, 331368, 497052, 524666, 786999, 994104, 1049332, 1573998, 2098664, 2360997, 3147996, 4721994, 6295992, 9443988, 18887976]

約数ペア:

[(1, 18887976), (2, 9443988), (3, 6295992), (4, 4721994), (6, 3147996), (8, 2360997), (9, 2098664), (12, 1573998), (18, 1049332), (19, 994104), (24, 786999), (36, 524666), (38, 497052), (57, 331368), (72, 262333), (76, 248526), (114, 165684), (152, 124263), (171, 110456), (228, 82842), (342, 55228), (456, 41421), (684, 27614), (1368, 13807)]