19354912

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20561888

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 109, 124, 179, 218, 248, 358, 436, 496, 716, 872, 992, 1432, 1744, 2864, 3379, 3488, 5549, 5728, 6758, 11098, 13516, 19511, 22196, 27032, 39022, 44392, 54064, 78044, 88784, 108128, 156088, 177568, 312176, 604841, 624352, 1209682, 2419364, 4838728, 9677456, 19354912]

約数ペア:

[(1, 19354912), (2, 9677456), (4, 4838728), (8, 2419364), (16, 1209682), (31, 624352), (32, 604841), (62, 312176), (109, 177568), (124, 156088), (179, 108128), (218, 88784), (248, 78044), (358, 54064), (436, 44392), (496, 39022), (716, 27032), (872, 22196), (992, 19511), (1432, 13516), (1744, 11098), (2864, 6758), (3379, 5728), (3488, 5549)]