1976019890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{192407}}^1$

素因数の和:192506

約数の個数: 32

約数和(自身を含む): 3878945280

約数和(自身を除く): 1902925390

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 192407, 384814, 962035, 1924070, 2501291, 5002582, 12506455, 15200153, 25012910, 30400306, 76000765, 152001530, 197601989, 395203978, 988009945, 1976019890]

約数ペア:

[(1, 1976019890), (2, 988009945), (5, 395203978), (10, 197601989), (13, 152001530), (26, 76000765), (65, 30400306), (79, 25012910), (130, 15200153), (158, 12506455), (395, 5002582), (790, 2501291), (1027, 1924070), (2054, 962035), (5135, 384814), (10270, 192407)]