18327660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23497}}^1$

素因数の和:23522

約数の個数: 48

約数和(自身を含む): 55267296

約数和(自身を除く): 36939636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23497, 46994, 70491, 93988, 117485, 140982, 234970, 281964, 305461, 352455, 469940, 610922, 704910, 916383, 1221844, 1409820, 1527305, 1832766, 3054610, 3665532, 4581915, 6109220, 9163830, 18327660]

約数ペア:

[(1, 18327660), (2, 9163830), (3, 6109220), (4, 4581915), (5, 3665532), (6, 3054610), (10, 1832766), (12, 1527305), (13, 1409820), (15, 1221844), (20, 916383), (26, 704910), (30, 610922), (39, 469940), (52, 352455), (60, 305461), (65, 281964), (78, 234970), (130, 140982), (156, 117485), (195, 93988), (260, 70491), (390, 46994), (780, 23497)]