19494560

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 47866140

約数和(自身を除く): 28371580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 89, 148, 160, 178, 185, 296, 356, 370, 445, 592, 712, 740, 890, 1184, 1369, 1424, 1480, 1780, 2738, 2848, 2960, 3293, 3560, 5476, 5920, 6586, 6845, 7120, 10952, 13172, 13690, 14240, 16465, 21904, 26344, 27380, 32930, 43808, 52688, 54760, 65860, 105376, 109520, 121841, 131720, 219040, 243682, 263440, 487364, 526880, 609205, 974728, 1218410, 1949456, 2436820, 3898912, 4873640, 9747280, 19494560]

約数ペア:

[(1, 19494560), (2, 9747280), (4, 4873640), (5, 3898912), (8, 2436820), (10, 1949456), (16, 1218410), (20, 974728), (32, 609205), (37, 526880), (40, 487364), (74, 263440), (80, 243682), (89, 219040), (148, 131720), (160, 121841), (178, 109520), (185, 105376), (296, 65860), (356, 54760), (370, 52688), (445, 43808), (592, 32930), (712, 27380), (740, 26344), (890, 21904), (1184, 16465), (1369, 14240), (1424, 13690), (1480, 13172), (1780, 10952), (2738, 7120), (2848, 6845), (2960, 6586), (3293, 5920), (3560, 5476)]