19690362

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 44871840

約数和(自身を除く): 25181478

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 87, 134, 174, 201, 261, 402, 522, 563, 603, 1126, 1206, 1689, 1943, 3378, 3886, 5067, 5829, 10134, 11658, 16327, 17487, 32654, 34974, 37721, 48981, 75442, 97962, 113163, 146943, 226326, 293886, 339489, 678978, 1093909, 2187818, 3281727, 6563454, 9845181, 19690362]

約数ペア:

[(1, 19690362), (2, 9845181), (3, 6563454), (6, 3281727), (9, 2187818), (18, 1093909), (29, 678978), (58, 339489), (67, 293886), (87, 226326), (134, 146943), (174, 113163), (201, 97962), (261, 75442), (402, 48981), (522, 37721), (563, 34974), (603, 32654), (1126, 17487), (1206, 16327), (1689, 11658), (1943, 10134), (3378, 5829), (3886, 5067)]