19230720

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{313}}^1$

素因数の和:345

約数の個数: 104

約数和(自身を含む): 61727376

約数和(自身を除く): 42496656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 313, 320, 384, 480, 512, 626, 640, 768, 939, 960, 1024, 1252, 1280, 1536, 1565, 1878, 1920, 2048, 2504, 2560, 3072, 3130, 3756, 3840, 4096, 4695, 5008, 5120, 6144, 6260, 7512, 7680, 9390, 10016, 10240, 12288, 12520, 15024, 15360, 18780, 20032, 20480, 25040, 30048, 30720, 37560, 40064, 50080, 60096, 61440, 75120, 80128, 100160, 120192, 150240, 160256, 200320, 240384, 300480, 320512, 400640, 480768, 600960, 641024, 801280, 961536, 1201920, 1282048, 1602560, 1923072, 2403840, 3205120, 3846144, 4807680, 6410240, 9615360, 19230720]

約数ペア:

[(1, 19230720), (2, 9615360), (3, 6410240), (4, 4807680), (5, 3846144), (6, 3205120), (8, 2403840), (10, 1923072), (12, 1602560), (15, 1282048), (16, 1201920), (20, 961536), (24, 801280), (30, 641024), (32, 600960), (40, 480768), (48, 400640), (60, 320512), (64, 300480), (80, 240384), (96, 200320), (120, 160256), (128, 150240), (160, 120192), (192, 100160), (240, 80128), (256, 75120), (313, 61440), (320, 60096), (384, 50080), (480, 40064), (512, 37560), (626, 30720), (640, 30048), (768, 25040), (939, 20480), (960, 20032), (1024, 18780), (1252, 15360), (1280, 15024), (1536, 12520), (1565, 12288), (1878, 10240), (1920, 10016), (2048, 9390), (2504, 7680), (2560, 7512), (3072, 6260), (3130, 6144), (3756, 5120), (3840, 5008), (4096, 4695)]