18479465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 24558336

約数和(自身を除く): 6078871

約数列:

[1, 5, 23, 37, 43, 101, 115, 185, 215, 505, 851, 989, 1591, 2323, 3737, 4255, 4343, 4945, 7955, 11615, 18685, 21715, 36593, 85951, 99889, 160691, 182965, 429755, 499445, 803455, 3695893, 18479465]

約数ペア:

[(1, 18479465), (5, 3695893), (23, 803455), (37, 499445), (43, 429755), (101, 182965), (115, 160691), (185, 99889), (215, 85951), (505, 36593), (851, 21715), (989, 18685), (1591, 11615), (2323, 7955), (3737, 4945), (4255, 4343)]