19188738

素因数分解:

$2^1\times 3^7\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 44634240

約数和(自身を除く): 25445502

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 107, 123, 162, 214, 243, 246, 321, 369, 486, 642, 729, 738, 963, 1107, 1458, 1926, 2187, 2214, 2889, 3321, 4374, 4387, 5778, 6642, 8667, 8774, 9963, 13161, 17334, 19926, 26001, 26322, 29889, 39483, 52002, 59778, 78003, 78966, 89667, 118449, 156006, 179334, 234009, 236898, 355347, 468018, 710694, 1066041, 2132082, 3198123, 6396246, 9594369, 19188738]

約数ペア:

[(1, 19188738), (2, 9594369), (3, 6396246), (6, 3198123), (9, 2132082), (18, 1066041), (27, 710694), (41, 468018), (54, 355347), (81, 236898), (82, 234009), (107, 179334), (123, 156006), (162, 118449), (214, 89667), (243, 78966), (246, 78003), (321, 59778), (369, 52002), (486, 39483), (642, 29889), (729, 26322), (738, 26001), (963, 19926), (1107, 17334), (1458, 13161), (1926, 9963), (2187, 8774), (2214, 8667), (2889, 6642), (3321, 5778), (4374, 4387)]