18019890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{28603}}^1$

素因数の和:28623

約数の個数: 48

約数和(自身を含む): 53546688

約数和(自身を除く): 35526798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 28603, 57206, 85809, 143015, 171618, 200221, 257427, 286030, 400442, 429045, 514854, 600663, 858090, 1001105, 1201326, 1287135, 1801989, 2002210, 2574270, 3003315, 3603978, 6006630, 9009945, 18019890]

約数ペア:

[(1, 18019890), (2, 9009945), (3, 6006630), (5, 3603978), (6, 3003315), (7, 2574270), (9, 2002210), (10, 1801989), (14, 1287135), (15, 1201326), (18, 1001105), (21, 858090), (30, 600663), (35, 514854), (42, 429045), (45, 400442), (63, 286030), (70, 257427), (90, 200221), (105, 171618), (126, 143015), (210, 85809), (315, 57206), (630, 28603)]