19955790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13043}}^1$

素因数の和:13073

約数の個数: 48

約数和(自身を含む): 54941328

約数和(自身を除く): 34985538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13043, 26086, 39129, 65215, 78258, 117387, 130430, 195645, 221731, 234774, 391290, 443462, 586935, 665193, 1108655, 1173870, 1330386, 1995579, 2217310, 3325965, 3991158, 6651930, 9977895, 19955790]

約数ペア:

[(1, 19955790), (2, 9977895), (3, 6651930), (5, 3991158), (6, 3325965), (9, 2217310), (10, 1995579), (15, 1330386), (17, 1173870), (18, 1108655), (30, 665193), (34, 586935), (45, 443462), (51, 391290), (85, 234774), (90, 221731), (102, 195645), (153, 130430), (170, 117387), (255, 78258), (306, 65215), (510, 39129), (765, 26086), (1530, 13043)]