18364395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 35896320

約数和(自身を除く): 17531925

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 37, 87, 105, 111, 145, 163, 185, 203, 259, 435, 489, 555, 609, 777, 815, 1015, 1073, 1141, 1295, 2445, 3045, 3219, 3423, 3885, 4727, 5365, 5705, 6031, 7511, 14181, 16095, 17115, 18093, 22533, 23635, 30155, 33089, 37555, 42217, 70905, 90465, 99267, 112665, 126651, 165445, 174899, 211085, 496335, 524697, 633255, 874495, 1224293, 2623485, 3672879, 6121465, 18364395]

約数ペア:

[(1, 18364395), (3, 6121465), (5, 3672879), (7, 2623485), (15, 1224293), (21, 874495), (29, 633255), (35, 524697), (37, 496335), (87, 211085), (105, 174899), (111, 165445), (145, 126651), (163, 112665), (185, 99267), (203, 90465), (259, 70905), (435, 42217), (489, 37555), (555, 33089), (609, 30155), (777, 23635), (815, 22533), (1015, 18093), (1073, 17115), (1141, 16095), (1295, 14181), (2445, 7511), (3045, 6031), (3219, 5705), (3423, 5365), (3885, 4727)]