19140470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 37797840

約数和(自身を除く): 18657370

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 179, 185, 289, 358, 370, 578, 629, 895, 1258, 1445, 1790, 2890, 3043, 3145, 6086, 6290, 6623, 10693, 13246, 15215, 21386, 30430, 33115, 51731, 53465, 66230, 103462, 106930, 112591, 225182, 258655, 517310, 562955, 1125910, 1914047, 3828094, 9570235, 19140470]

約数ペア:

[(1, 19140470), (2, 9570235), (5, 3828094), (10, 1914047), (17, 1125910), (34, 562955), (37, 517310), (74, 258655), (85, 225182), (170, 112591), (179, 106930), (185, 103462), (289, 66230), (358, 53465), (370, 51731), (578, 33115), (629, 30430), (895, 21386), (1258, 15215), (1445, 13246), (1790, 10693), (2890, 6623), (3043, 6290), (3145, 6086)]