19685538

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5441}}^1$

素因数の和:5519

約数の個数: 32

約数和(自身を含む): 44406720

約数和(自身を除く): 24721182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5441, 10882, 16323, 32646, 48969, 97938, 146907, 293814, 364547, 729094, 1093641, 2187282, 3280923, 6561846, 9842769, 19685538]

約数ペア:

[(1, 19685538), (2, 9842769), (3, 6561846), (6, 3280923), (9, 2187282), (18, 1093641), (27, 729094), (54, 364547), (67, 293814), (134, 146907), (201, 97938), (402, 48969), (603, 32646), (1206, 16323), (1809, 10882), (3618, 5441)]