18740490045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54320261}}^1$

素因数の和:54320292

約数の個数: 16

約数和(自身を含む): 31288470912

約数和(自身を除く): 12547980867

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54320261, 162960783, 271601305, 814803915, 1249366003, 3748098009, 6246830015, 18740490045]

約数ペア:

[(1, 18740490045), (3, 6246830015), (5, 3748098009), (15, 1249366003), (23, 814803915), (69, 271601305), (115, 162960783), (345, 54320261)]