19301120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 49006944

約数和(自身を除く): 29705824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 887, 1088, 1280, 1360, 1774, 2176, 2720, 3548, 4352, 4435, 5440, 7096, 8870, 10880, 14192, 15079, 17740, 21760, 28384, 30158, 35480, 56768, 60316, 70960, 75395, 113536, 120632, 141920, 150790, 227072, 241264, 283840, 301580, 482528, 567680, 603160, 965056, 1135360, 1206320, 1930112, 2412640, 3860224, 4825280, 9650560, 19301120]

約数ペア:

[(1, 19301120), (2, 9650560), (4, 4825280), (5, 3860224), (8, 2412640), (10, 1930112), (16, 1206320), (17, 1135360), (20, 965056), (32, 603160), (34, 567680), (40, 482528), (64, 301580), (68, 283840), (80, 241264), (85, 227072), (128, 150790), (136, 141920), (160, 120632), (170, 113536), (256, 75395), (272, 70960), (320, 60316), (340, 56768), (544, 35480), (640, 30158), (680, 28384), (887, 21760), (1088, 17740), (1280, 15079), (1360, 14192), (1774, 10880), (2176, 8870), (2720, 7096), (3548, 5440), (4352, 4435)]