18229995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 19371285

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 101, 105, 135, 189, 191, 303, 315, 505, 573, 707, 909, 945, 955, 1337, 1515, 1719, 2121, 2727, 2865, 3535, 4011, 4545, 5157, 6363, 6685, 8595, 10605, 12033, 13635, 19089, 19291, 20055, 25785, 31815, 36099, 57873, 60165, 95445, 96455, 135037, 173619, 180495, 289365, 405111, 520857, 675185, 868095, 1215333, 2025555, 2604285, 3645999, 6076665, 18229995]

約数ペア:

[(1, 18229995), (3, 6076665), (5, 3645999), (7, 2604285), (9, 2025555), (15, 1215333), (21, 868095), (27, 675185), (35, 520857), (45, 405111), (63, 289365), (101, 180495), (105, 173619), (135, 135037), (189, 96455), (191, 95445), (303, 60165), (315, 57873), (505, 36099), (573, 31815), (707, 25785), (909, 20055), (945, 19291), (955, 19089), (1337, 13635), (1515, 12033), (1719, 10605), (2121, 8595), (2727, 6685), (2865, 6363), (3535, 5157), (4011, 4545)]