18939120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 63424512

約数和(自身を除く): 44485392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 47, 48, 60, 69, 73, 80, 92, 94, 115, 120, 138, 141, 146, 184, 188, 219, 230, 235, 240, 276, 282, 292, 345, 365, 368, 376, 438, 460, 470, 552, 564, 584, 690, 705, 730, 752, 876, 920, 940, 1081, 1095, 1104, 1128, 1168, 1380, 1410, 1460, 1679, 1752, 1840, 1880, 2162, 2190, 2256, 2760, 2820, 2920, 3243, 3358, 3431, 3504, 3760, 4324, 4380, 5037, 5405, 5520, 5640, 5840, 6486, 6716, 6862, 8395, 8648, 8760, 10074, 10293, 10810, 11280, 12972, 13432, 13724, 16215, 16790, 17155, 17296, 17520, 20148, 20586, 21620, 25185, 25944, 26864, 27448, 32430, 33580, 34310, 40296, 41172, 43240, 50370, 51465, 51888, 54896, 64860, 67160, 68620, 78913, 80592, 82344, 86480, 100740, 102930, 129720, 134320, 137240, 157826, 164688, 201480, 205860, 236739, 259440, 274480, 315652, 394565, 402960, 411720, 473478, 631304, 789130, 823440, 946956, 1183695, 1262608, 1578260, 1893912, 2367390, 3156520, 3787824, 4734780, 6313040, 9469560, 18939120]

約数ペア:

[(1, 18939120), (2, 9469560), (3, 6313040), (4, 4734780), (5, 3787824), (6, 3156520), (8, 2367390), (10, 1893912), (12, 1578260), (15, 1262608), (16, 1183695), (20, 946956), (23, 823440), (24, 789130), (30, 631304), (40, 473478), (46, 411720), (47, 402960), (48, 394565), (60, 315652), (69, 274480), (73, 259440), (80, 236739), (92, 205860), (94, 201480), (115, 164688), (120, 157826), (138, 137240), (141, 134320), (146, 129720), (184, 102930), (188, 100740), (219, 86480), (230, 82344), (235, 80592), (240, 78913), (276, 68620), (282, 67160), (292, 64860), (345, 54896), (365, 51888), (368, 51465), (376, 50370), (438, 43240), (460, 41172), (470, 40296), (552, 34310), (564, 33580), (584, 32430), (690, 27448), (705, 26864), (730, 25944), (752, 25185), (876, 21620), (920, 20586), (940, 20148), (1081, 17520), (1095, 17296), (1104, 17155), (1128, 16790), (1168, 16215), (1380, 13724), (1410, 13432), (1460, 12972), (1679, 11280), (1752, 10810), (1840, 10293), (1880, 10074), (2162, 8760), (2190, 8648), (2256, 8395), (2760, 6862), (2820, 6716), (2920, 6486), (3243, 5840), (3358, 5640), (3431, 5520), (3504, 5405), (3760, 5037), (4324, 4380)]