19693497604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{326939}}^1$

素因数の和:327028

約数の個数: 36

約数和(自身を含む): 38640384720

約数和(自身を除く): 18946887116

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1369, 1628, 2738, 5476, 15059, 30118, 60236, 326939, 653878, 1307756, 3596329, 7192658, 12096743, 14385316, 24193486, 48386972, 133064173, 266128346, 447579491, 532256692, 895158982, 1790317964, 4923374401, 9846748802, 19693497604]

約数ペア:

[(1, 19693497604), (2, 9846748802), (4, 4923374401), (11, 1790317964), (22, 895158982), (37, 532256692), (44, 447579491), (74, 266128346), (148, 133064173), (407, 48386972), (814, 24193486), (1369, 14385316), (1628, 12096743), (2738, 7192658), (5476, 3596329), (15059, 1307756), (30118, 653878), (60236, 326939)]