19918346

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 16423414

約数列:

[1, 2, 7, 14, 19, 38, 103, 133, 206, 266, 721, 727, 1442, 1454, 1957, 3914, 5089, 10178, 13699, 13813, 27398, 27626, 74881, 96691, 149762, 193382, 524167, 1048334, 1422739, 2845478, 9959173, 19918346]

約数ペア:

[(1, 19918346), (2, 9959173), (7, 2845478), (14, 1422739), (19, 1048334), (38, 524167), (103, 193382), (133, 149762), (206, 96691), (266, 74881), (721, 27626), (727, 27398), (1442, 13813), (1454, 13699), (1957, 10178), (3914, 5089)]