18716520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8209}}^1$

素因数の和:8242

約数の個数: 64

約数和(自身を含む): 59112000

約数和(自身を除く): 40395480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8209, 16418, 24627, 32836, 41045, 49254, 65672, 82090, 98508, 123135, 155971, 164180, 197016, 246270, 311942, 328360, 467913, 492540, 623884, 779855, 935826, 985080, 1247768, 1559710, 1871652, 2339565, 3119420, 3743304, 4679130, 6238840, 9358260, 18716520]

約数ペア:

[(1, 18716520), (2, 9358260), (3, 6238840), (4, 4679130), (5, 3743304), (6, 3119420), (8, 2339565), (10, 1871652), (12, 1559710), (15, 1247768), (19, 985080), (20, 935826), (24, 779855), (30, 623884), (38, 492540), (40, 467913), (57, 328360), (60, 311942), (76, 246270), (95, 197016), (114, 164180), (120, 155971), (152, 123135), (190, 98508), (228, 82090), (285, 65672), (380, 49254), (456, 41045), (570, 32836), (760, 24627), (1140, 16418), (2280, 8209)]