18699420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 37748580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 282, 285, 349, 380, 470, 564, 570, 698, 705, 893, 940, 1047, 1140, 1396, 1410, 1745, 1786, 2094, 2679, 2820, 3490, 3572, 4188, 4465, 5235, 5358, 6631, 6980, 8930, 10470, 10716, 13262, 13395, 16403, 17860, 19893, 20940, 26524, 26790, 32806, 33155, 39786, 49209, 53580, 65612, 66310, 79572, 82015, 98418, 99465, 132620, 164030, 196836, 198930, 246045, 311657, 328060, 397860, 492090, 623314, 934971, 984180, 1246628, 1558285, 1869942, 3116570, 3739884, 4674855, 6233140, 9349710, 18699420]

約数ペア:

[(1, 18699420), (2, 9349710), (3, 6233140), (4, 4674855), (5, 3739884), (6, 3116570), (10, 1869942), (12, 1558285), (15, 1246628), (19, 984180), (20, 934971), (30, 623314), (38, 492090), (47, 397860), (57, 328060), (60, 311657), (76, 246045), (94, 198930), (95, 196836), (114, 164030), (141, 132620), (188, 99465), (190, 98418), (228, 82015), (235, 79572), (282, 66310), (285, 65612), (349, 53580), (380, 49209), (470, 39786), (564, 33155), (570, 32806), (698, 26790), (705, 26524), (893, 20940), (940, 19893), (1047, 17860), (1140, 16403), (1396, 13395), (1410, 13262), (1745, 10716), (1786, 10470), (2094, 8930), (2679, 6980), (2820, 6631), (3490, 5358), (3572, 5235), (4188, 4465)]