19948230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7643}}^1$

素因数の和:7685

約数の個数: 48

約数和(自身を含む): 53660880

約数和(自身を除く): 33712650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7643, 15286, 22929, 38215, 45858, 68787, 76430, 114645, 137574, 221647, 229290, 343935, 443294, 664941, 687870, 1108235, 1329882, 1994823, 2216470, 3324705, 3989646, 6649410, 9974115, 19948230]

約数ペア:

[(1, 19948230), (2, 9974115), (3, 6649410), (5, 3989646), (6, 3324705), (9, 2216470), (10, 1994823), (15, 1329882), (18, 1108235), (29, 687870), (30, 664941), (45, 443294), (58, 343935), (87, 229290), (90, 221647), (145, 137574), (174, 114645), (261, 76430), (290, 68787), (435, 45858), (522, 38215), (870, 22929), (1305, 15286), (2610, 7643)]