19650808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 38067120

約数和(自身を除く): 18416312

約数列:

[1, 2, 4, 8, 41, 82, 164, 181, 328, 331, 362, 662, 724, 1324, 1448, 2648, 7421, 13571, 14842, 27142, 29684, 54284, 59368, 59911, 108568, 119822, 239644, 479288, 2456351, 4912702, 9825404, 19650808]

約数ペア:

[(1, 19650808), (2, 9825404), (4, 4912702), (8, 2456351), (41, 479288), (82, 239644), (164, 119822), (181, 108568), (328, 59911), (331, 59368), (362, 54284), (662, 29684), (724, 27142), (1324, 14842), (1448, 13571), (2648, 7421)]