18860295

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12658425

約数列:

[1, 3, 5, 15, 29, 87, 145, 191, 227, 435, 573, 681, 955, 1135, 2865, 3405, 5539, 6583, 16617, 19749, 27695, 32915, 43357, 83085, 98745, 130071, 216785, 650355, 1257353, 3772059, 6286765, 18860295]

約数ペア:

[(1, 18860295), (3, 6286765), (5, 3772059), (15, 1257353), (29, 650355), (87, 216785), (145, 130071), (191, 98745), (227, 83085), (435, 43357), (573, 32915), (681, 27695), (955, 19749), (1135, 16617), (2865, 6583), (3405, 5539)]