18746964

素因数分解:

$2^2\times 3^7\times {\mathrm{2143}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 49226240

約数和(自身を除く): 30479276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2143, 2187, 2916, 4286, 4374, 6429, 8572, 8748, 12858, 19287, 25716, 38574, 57861, 77148, 115722, 173583, 231444, 347166, 520749, 694332, 1041498, 1562247, 2082996, 3124494, 4686741, 6248988, 9373482, 18746964]

約数ペア:

[(1, 18746964), (2, 9373482), (3, 6248988), (4, 4686741), (6, 3124494), (9, 2082996), (12, 1562247), (18, 1041498), (27, 694332), (36, 520749), (54, 347166), (81, 231444), (108, 173583), (162, 115722), (243, 77148), (324, 57861), (486, 38574), (729, 25716), (972, 19287), (1458, 12858), (2143, 8748), (2187, 8572), (2916, 6429), (4286, 4374)]