18145504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 39245472

約数和(自身を除く): 21099968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 823, 848, 1378, 1646, 1696, 2756, 3292, 5512, 6584, 10699, 11024, 13168, 21398, 22048, 26336, 42796, 43619, 85592, 87238, 171184, 174476, 342368, 348952, 567047, 697904, 1134094, 1395808, 2268188, 4536376, 9072752, 18145504]

約数ペア:

[(1, 18145504), (2, 9072752), (4, 4536376), (8, 2268188), (13, 1395808), (16, 1134094), (26, 697904), (32, 567047), (52, 348952), (53, 342368), (104, 174476), (106, 171184), (208, 87238), (212, 85592), (416, 43619), (424, 42796), (689, 26336), (823, 22048), (848, 21398), (1378, 13168), (1646, 11024), (1696, 10699), (2756, 6584), (3292, 5512)]