19750146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25488894

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 101, 109, 138, 202, 218, 299, 303, 327, 598, 606, 654, 897, 1313, 1417, 1794, 2323, 2507, 2626, 2834, 3939, 4251, 4646, 5014, 6969, 7521, 7878, 8502, 11009, 13938, 15042, 22018, 30199, 32591, 33027, 60398, 65182, 66054, 90597, 97773, 143117, 181194, 195546, 253207, 286234, 429351, 506414, 759621, 858702, 1519242, 3291691, 6583382, 9875073, 19750146]

約数ペア:

[(1, 19750146), (2, 9875073), (3, 6583382), (6, 3291691), (13, 1519242), (23, 858702), (26, 759621), (39, 506414), (46, 429351), (69, 286234), (78, 253207), (101, 195546), (109, 181194), (138, 143117), (202, 97773), (218, 90597), (299, 66054), (303, 65182), (327, 60398), (598, 33027), (606, 32591), (654, 30199), (897, 22018), (1313, 15042), (1417, 13938), (1794, 11009), (2323, 8502), (2507, 7878), (2626, 7521), (2834, 6969), (3939, 5014), (4251, 4646)]