18983492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 20388988

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 619, 697, 748, 902, 1238, 1394, 1804, 2476, 2788, 6809, 7667, 10523, 13618, 15334, 21046, 25379, 27236, 30668, 42092, 50758, 101516, 115753, 231506, 279169, 431443, 463012, 558338, 862886, 1116676, 1725772, 4745873, 9491746, 18983492]

約数ペア:

[(1, 18983492), (2, 9491746), (4, 4745873), (11, 1725772), (17, 1116676), (22, 862886), (34, 558338), (41, 463012), (44, 431443), (68, 279169), (82, 231506), (164, 115753), (187, 101516), (374, 50758), (451, 42092), (619, 30668), (697, 27236), (748, 25379), (902, 21046), (1238, 15334), (1394, 13618), (1804, 10523), (2476, 7667), (2788, 6809)]