19112520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 66781440

約数和(自身を除く): 47668920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 373, 420, 427, 488, 610, 732, 746, 840, 854, 915, 1119, 1220, 1281, 1464, 1492, 1708, 1830, 1865, 2135, 2238, 2440, 2562, 2611, 2984, 3416, 3660, 3730, 4270, 4476, 5124, 5222, 5595, 6405, 7320, 7460, 7833, 8540, 8952, 10248, 10444, 11190, 12810, 13055, 14920, 15666, 17080, 20888, 22380, 22753, 25620, 26110, 31332, 39165, 44760, 45506, 51240, 52220, 62664, 68259, 78330, 91012, 104440, 113765, 136518, 156660, 159271, 182024, 227530, 273036, 313320, 318542, 341295, 455060, 477813, 546072, 637084, 682590, 796355, 910120, 955626, 1274168, 1365180, 1592710, 1911252, 2389065, 2730360, 3185420, 3822504, 4778130, 6370840, 9556260, 19112520]

約数ペア:

[(1, 19112520), (2, 9556260), (3, 6370840), (4, 4778130), (5, 3822504), (6, 3185420), (7, 2730360), (8, 2389065), (10, 1911252), (12, 1592710), (14, 1365180), (15, 1274168), (20, 955626), (21, 910120), (24, 796355), (28, 682590), (30, 637084), (35, 546072), (40, 477813), (42, 455060), (56, 341295), (60, 318542), (61, 313320), (70, 273036), (84, 227530), (105, 182024), (120, 159271), (122, 156660), (140, 136518), (168, 113765), (183, 104440), (210, 91012), (244, 78330), (280, 68259), (305, 62664), (366, 52220), (373, 51240), (420, 45506), (427, 44760), (488, 39165), (610, 31332), (732, 26110), (746, 25620), (840, 22753), (854, 22380), (915, 20888), (1119, 17080), (1220, 15666), (1281, 14920), (1464, 13055), (1492, 12810), (1708, 11190), (1830, 10444), (1865, 10248), (2135, 8952), (2238, 8540), (2440, 7833), (2562, 7460), (2611, 7320), (2984, 6405), (3416, 5595), (3660, 5222), (3730, 5124), (4270, 4476)]