9719320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18691}}^1$

素因数の和:18715

約数の個数: 32

約数和(自身を含む): 23551920

約数和(自身を除く): 13832600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 18691, 37382, 74764, 93455, 149528, 186910, 242983, 373820, 485966, 747640, 971932, 1214915, 1943864, 2429830, 4859660, 9719320]

約数ペア:

[(1, 9719320), (2, 4859660), (4, 2429830), (5, 1943864), (8, 1214915), (10, 971932), (13, 747640), (20, 485966), (26, 373820), (40, 242983), (52, 186910), (65, 149528), (104, 93455), (130, 74764), (260, 37382), (520, 18691)]