19000240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 53179632

約数和(自身を除く): 34179392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 131, 140, 148, 185, 196, 245, 259, 262, 280, 296, 370, 392, 490, 518, 524, 560, 592, 655, 740, 784, 917, 980, 1036, 1048, 1295, 1310, 1480, 1813, 1834, 1960, 2072, 2096, 2590, 2620, 2960, 3626, 3668, 3920, 4144, 4585, 4847, 5180, 5240, 6419, 7252, 7336, 9065, 9170, 9694, 10360, 10480, 12838, 14504, 14672, 18130, 18340, 19388, 20720, 24235, 25676, 29008, 32095, 33929, 36260, 36680, 38776, 48470, 51352, 64190, 67858, 72520, 73360, 77552, 96940, 102704, 128380, 135716, 145040, 169645, 193880, 237503, 256760, 271432, 339290, 387760, 475006, 513520, 542864, 678580, 950012, 1187515, 1357160, 1900024, 2375030, 2714320, 3800048, 4750060, 9500120, 19000240]

約数ペア:

[(1, 19000240), (2, 9500120), (4, 4750060), (5, 3800048), (7, 2714320), (8, 2375030), (10, 1900024), (14, 1357160), (16, 1187515), (20, 950012), (28, 678580), (35, 542864), (37, 513520), (40, 475006), (49, 387760), (56, 339290), (70, 271432), (74, 256760), (80, 237503), (98, 193880), (112, 169645), (131, 145040), (140, 135716), (148, 128380), (185, 102704), (196, 96940), (245, 77552), (259, 73360), (262, 72520), (280, 67858), (296, 64190), (370, 51352), (392, 48470), (490, 38776), (518, 36680), (524, 36260), (560, 33929), (592, 32095), (655, 29008), (740, 25676), (784, 24235), (917, 20720), (980, 19388), (1036, 18340), (1048, 18130), (1295, 14672), (1310, 14504), (1480, 12838), (1813, 10480), (1834, 10360), (1960, 9694), (2072, 9170), (2096, 9065), (2590, 7336), (2620, 7252), (2960, 6419), (3626, 5240), (3668, 5180), (3920, 4847), (4144, 4585)]