18803955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 32733504

約数和(自身を除く): 13929549

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 1993, 3145, 5979, 9435, 9965, 29895, 33881, 73741, 101643, 169405, 221223, 368705, 508215, 1106115, 1253597, 3760791, 6267985, 18803955]

約数ペア:

[(1, 18803955), (3, 6267985), (5, 3760791), (15, 1253597), (17, 1106115), (37, 508215), (51, 368705), (85, 221223), (111, 169405), (185, 101643), (255, 73741), (555, 33881), (629, 29895), (1887, 9965), (1993, 9435), (3145, 5979)]