19115268520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{338683}}^1$

素因数の和:338794

約数の個数: 64

約数和(自身を含む): 46088118720

約数和(自身を除く): 26972850200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1411, 1660, 2822, 3320, 5644, 7055, 11288, 14110, 28220, 56440, 338683, 677366, 1354732, 1693415, 2709464, 3386830, 5757611, 6773660, 11515222, 13547320, 23030444, 28110689, 28788055, 46060888, 56221378, 57576110, 112442756, 115152220, 140553445, 224885512, 230304440, 281106890, 477881713, 562213780, 955763426, 1124427560, 1911526852, 2389408565, 3823053704, 4778817130, 9557634260, 19115268520]

約数ペア:

[(1, 19115268520), (2, 9557634260), (4, 4778817130), (5, 3823053704), (8, 2389408565), (10, 1911526852), (17, 1124427560), (20, 955763426), (34, 562213780), (40, 477881713), (68, 281106890), (83, 230304440), (85, 224885512), (136, 140553445), (166, 115152220), (170, 112442756), (332, 57576110), (340, 56221378), (415, 46060888), (664, 28788055), (680, 28110689), (830, 23030444), (1411, 13547320), (1660, 11515222), (2822, 6773660), (3320, 5757611), (5644, 3386830), (7055, 2709464), (11288, 1693415), (14110, 1354732), (28220, 677366), (56440, 338683)]