19533440

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 48764160

約数和(自身を除く): 29230720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1327, 1472, 1840, 2654, 2944, 3680, 5308, 6635, 7360, 10616, 13270, 14720, 21232, 26540, 30521, 42464, 53080, 61042, 84928, 106160, 122084, 152605, 169856, 212320, 244168, 305210, 424640, 488336, 610420, 849280, 976672, 1220840, 1953344, 2441680, 3906688, 4883360, 9766720, 19533440]

約数ペア:

[(1, 19533440), (2, 9766720), (4, 4883360), (5, 3906688), (8, 2441680), (10, 1953344), (16, 1220840), (20, 976672), (23, 849280), (32, 610420), (40, 488336), (46, 424640), (64, 305210), (80, 244168), (92, 212320), (115, 169856), (128, 152605), (160, 122084), (184, 106160), (230, 84928), (320, 61042), (368, 53080), (460, 42464), (640, 30521), (736, 26540), (920, 21232), (1327, 14720), (1472, 13270), (1840, 10616), (2654, 7360), (2944, 6635), (3680, 5308)]