19029520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3011}}^1$

素因数の和:3103

約数の個数: 40

約数和(自身を含む): 44818560

約数和(自身を除く): 25789040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3011, 3160, 6022, 6320, 12044, 15055, 24088, 30110, 48176, 60220, 120440, 237869, 240880, 475738, 951476, 1189345, 1902952, 2378690, 3805904, 4757380, 9514760, 19029520]

約数ペア:

[(1, 19029520), (2, 9514760), (4, 4757380), (5, 3805904), (8, 2378690), (10, 1902952), (16, 1189345), (20, 951476), (40, 475738), (79, 240880), (80, 237869), (158, 120440), (316, 60220), (395, 48176), (632, 30110), (790, 24088), (1264, 15055), (1580, 12044), (3011, 6320), (3160, 6022)]