18267990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 30503082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1511, 2015, 2418, 3022, 4030, 4533, 6045, 7555, 9066, 12090, 15110, 19643, 22665, 39286, 45330, 46841, 58929, 93682, 98215, 117858, 140523, 196430, 234205, 281046, 294645, 468410, 589290, 608933, 702615, 1217866, 1405230, 1826799, 3044665, 3653598, 6089330, 9133995, 18267990]

約数ペア:

[(1, 18267990), (2, 9133995), (3, 6089330), (5, 3653598), (6, 3044665), (10, 1826799), (13, 1405230), (15, 1217866), (26, 702615), (30, 608933), (31, 589290), (39, 468410), (62, 294645), (65, 281046), (78, 234205), (93, 196430), (130, 140523), (155, 117858), (186, 98215), (195, 93682), (310, 58929), (390, 46841), (403, 45330), (465, 39286), (806, 22665), (930, 19643), (1209, 15110), (1511, 12090), (2015, 9066), (2418, 7555), (3022, 6045), (4030, 4533)]