18355495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 6683225

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 229, 391, 697, 943, 1145, 1955, 3485, 3893, 4715, 5267, 9389, 16031, 19465, 26335, 46945, 80155, 89539, 159613, 215947, 447695, 798065, 1079735, 3671099, 18355495]

約数ペア:

[(1, 18355495), (5, 3671099), (17, 1079735), (23, 798065), (41, 447695), (85, 215947), (115, 159613), (205, 89539), (229, 80155), (391, 46945), (697, 26335), (943, 19465), (1145, 16031), (1955, 9389), (3485, 5267), (3893, 4715)]