18697088

素因数分解:

$2^7\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 38617200

約数和(自身を除く): 19920112

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 79, 86, 128, 158, 172, 316, 344, 632, 688, 1264, 1376, 1849, 2528, 2752, 3397, 3698, 5056, 5504, 6794, 7396, 10112, 13588, 14792, 27176, 29584, 54352, 59168, 108704, 118336, 146071, 217408, 236672, 292142, 434816, 584284, 1168568, 2337136, 4674272, 9348544, 18697088]

約数ペア:

[(1, 18697088), (2, 9348544), (4, 4674272), (8, 2337136), (16, 1168568), (32, 584284), (43, 434816), (64, 292142), (79, 236672), (86, 217408), (128, 146071), (158, 118336), (172, 108704), (316, 59168), (344, 54352), (632, 29584), (688, 27176), (1264, 14792), (1376, 13588), (1849, 10112), (2528, 7396), (2752, 6794), (3397, 5504), (3698, 5056)]