2018485976

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{78577}}^1$

素因数の和:78628

約数の個数: 48

約数和(自身を含む): 4313932200

約数和(自身を除く): 2295446224

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1352, 1976, 3211, 6422, 12844, 25688, 78577, 157154, 314308, 628616, 1021501, 1492963, 2043002, 2985926, 4086004, 5971852, 8172008, 11943704, 13279513, 19408519, 26559026, 38817038, 53118052, 77634076, 106236104, 155268152, 252310747, 504621494, 1009242988, 2018485976]

約数ペア:

[(1, 2018485976), (2, 1009242988), (4, 504621494), (8, 252310747), (13, 155268152), (19, 106236104), (26, 77634076), (38, 53118052), (52, 38817038), (76, 26559026), (104, 19408519), (152, 13279513), (169, 11943704), (247, 8172008), (338, 5971852), (494, 4086004), (676, 2985926), (988, 2043002), (1352, 1492963), (1976, 1021501), (3211, 628616), (6422, 314308), (12844, 157154), (25688, 78577)]