18829620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1433}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 57939336

約数和(自身を除く): 39109716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1433, 1460, 2190, 2628, 2866, 3285, 4299, 4380, 5732, 6570, 7165, 8598, 12897, 13140, 14330, 17196, 21495, 25794, 28660, 42990, 51588, 64485, 85980, 104609, 128970, 209218, 257940, 313827, 418436, 523045, 627654, 941481, 1046090, 1255308, 1569135, 1882962, 2092180, 3138270, 3765924, 4707405, 6276540, 9414810, 18829620]

約数ペア:

[(1, 18829620), (2, 9414810), (3, 6276540), (4, 4707405), (5, 3765924), (6, 3138270), (9, 2092180), (10, 1882962), (12, 1569135), (15, 1255308), (18, 1046090), (20, 941481), (30, 627654), (36, 523045), (45, 418436), (60, 313827), (73, 257940), (90, 209218), (146, 128970), (180, 104609), (219, 85980), (292, 64485), (365, 51588), (438, 42990), (657, 28660), (730, 25794), (876, 21495), (1095, 17196), (1314, 14330), (1433, 13140), (1460, 12897), (2190, 8598), (2628, 7165), (2866, 6570), (3285, 5732), (4299, 4380)]