19024275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 34176384

約数和(自身を除く): 15152109

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 347, 425, 645, 731, 1041, 1075, 1275, 1735, 2193, 3225, 3655, 5205, 5899, 8675, 10965, 14921, 17697, 18275, 26025, 29495, 44763, 54825, 74605, 88485, 147475, 223815, 253657, 373025, 442425, 760971, 1119075, 1268285, 3804855, 6341425, 19024275]

約数ペア:

[(1, 19024275), (3, 6341425), (5, 3804855), (15, 1268285), (17, 1119075), (25, 760971), (43, 442425), (51, 373025), (75, 253657), (85, 223815), (129, 147475), (215, 88485), (255, 74605), (347, 54825), (425, 44763), (645, 29495), (731, 26025), (1041, 18275), (1075, 17697), (1275, 14921), (1735, 10965), (2193, 8675), (3225, 5899), (3655, 5205)]