18958504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 38440800

約数和(自身を除く): 19482296

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3371, 5624, 6742, 13484, 26968, 64049, 124727, 128098, 249454, 256196, 498908, 512392, 997816, 2369813, 4739626, 9479252, 18958504]

約数ペア:

[(1, 18958504), (2, 9479252), (4, 4739626), (8, 2369813), (19, 997816), (37, 512392), (38, 498908), (74, 256196), (76, 249454), (148, 128098), (152, 124727), (296, 64049), (703, 26968), (1406, 13484), (2812, 6742), (3371, 5624)]