19907549835

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{157229}}^1$

素因数の和:157627

約数の個数: 32

約数和(自身を含む): 33327728640

約数和(自身を除く): 13420178805

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 367, 1101, 1835, 5505, 8441, 25323, 42205, 126615, 157229, 471687, 786145, 2358435, 3616267, 10848801, 18081335, 54244005, 57703043, 173109129, 288515215, 865545645, 1327169989, 3981509967, 6635849945, 19907549835]

約数ペア:

[(1, 19907549835), (3, 6635849945), (5, 3981509967), (15, 1327169989), (23, 865545645), (69, 288515215), (115, 173109129), (345, 57703043), (367, 54244005), (1101, 18081335), (1835, 10848801), (5505, 3616267), (8441, 2358435), (25323, 786145), (42205, 471687), (126615, 157229)]