18537690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 46043424

約数和(自身を除く): 27505734

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 643, 930, 961, 1286, 1922, 1929, 2883, 3215, 3858, 4805, 5766, 6430, 9610, 9645, 14415, 19290, 19933, 28830, 39866, 59799, 99665, 119598, 199330, 298995, 597990, 617923, 1235846, 1853769, 3089615, 3707538, 6179230, 9268845, 18537690]

約数ペア:

[(1, 18537690), (2, 9268845), (3, 6179230), (5, 3707538), (6, 3089615), (10, 1853769), (15, 1235846), (30, 617923), (31, 597990), (62, 298995), (93, 199330), (155, 119598), (186, 99665), (310, 59799), (465, 39866), (643, 28830), (930, 19933), (961, 19290), (1286, 14415), (1922, 9645), (1929, 9610), (2883, 6430), (3215, 5766), (3858, 4805)]