18223980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8209}}^1$

素因数の和:8258

約数の個数: 48

約数和(自身を含む): 52412640

約数和(自身を除く): 34188660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8209, 16418, 24627, 32836, 41045, 49254, 82090, 98508, 123135, 164180, 246270, 303733, 492540, 607466, 911199, 1214932, 1518665, 1822398, 3037330, 3644796, 4555995, 6074660, 9111990, 18223980]

約数ペア:

[(1, 18223980), (2, 9111990), (3, 6074660), (4, 4555995), (5, 3644796), (6, 3037330), (10, 1822398), (12, 1518665), (15, 1214932), (20, 911199), (30, 607466), (37, 492540), (60, 303733), (74, 246270), (111, 164180), (148, 123135), (185, 98508), (222, 82090), (370, 49254), (444, 41045), (555, 32836), (740, 24627), (1110, 16418), (2220, 8209)]