18258629860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197647}}^1$

素因数の和:197836

約数の個数: 48

約数和(自身を含む): 39845836800

約数和(自身を除く): 21587206940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2980, 4619, 9238, 18476, 23095, 46190, 92380, 197647, 395294, 790588, 988235, 1976470, 3952940, 6127057, 12254114, 24508228, 29449403, 30635285, 58898806, 61270570, 117797612, 122541140, 147247015, 294494030, 588988060, 912931493, 1825862986, 3651725972, 4564657465, 9129314930, 18258629860]

約数ペア:

[(1, 18258629860), (2, 9129314930), (4, 4564657465), (5, 3651725972), (10, 1825862986), (20, 912931493), (31, 588988060), (62, 294494030), (124, 147247015), (149, 122541140), (155, 117797612), (298, 61270570), (310, 58898806), (596, 30635285), (620, 29449403), (745, 24508228), (1490, 12254114), (2980, 6127057), (4619, 3952940), (9238, 1976470), (18476, 988235), (23095, 790588), (46190, 395294), (92380, 197647)]