19204260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1217}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 54020736

約数和(自身を除く): 34816476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1217, 1315, 1578, 2434, 2630, 3156, 3651, 3945, 4868, 5260, 6085, 7302, 7890, 12170, 14604, 15780, 18255, 24340, 36510, 73020, 320071, 640142, 960213, 1280284, 1600355, 1920426, 3200710, 3840852, 4801065, 6401420, 9602130, 19204260]

約数ペア:

[(1, 19204260), (2, 9602130), (3, 6401420), (4, 4801065), (5, 3840852), (6, 3200710), (10, 1920426), (12, 1600355), (15, 1280284), (20, 960213), (30, 640142), (60, 320071), (263, 73020), (526, 36510), (789, 24340), (1052, 18255), (1217, 15780), (1315, 14604), (1578, 12170), (2434, 7890), (2630, 7302), (3156, 6085), (3651, 5260), (3945, 4868)]