18824820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 64733760

約数和(自身を除く): 45908940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 337, 380, 399, 420, 490, 532, 570, 588, 665, 674, 735, 798, 931, 980, 1011, 1140, 1330, 1348, 1470, 1596, 1685, 1862, 1995, 2022, 2359, 2660, 2793, 2940, 3370, 3724, 3990, 4044, 4655, 4718, 5055, 5586, 6403, 6740, 7077, 7980, 9310, 9436, 10110, 11172, 11795, 12806, 13965, 14154, 16513, 18620, 19209, 20220, 23590, 25612, 27930, 28308, 32015, 33026, 35385, 38418, 44821, 47180, 49539, 55860, 64030, 66052, 70770, 76836, 82565, 89642, 96045, 99078, 128060, 134463, 141540, 165130, 179284, 192090, 198156, 224105, 247695, 268926, 313747, 330260, 384180, 448210, 495390, 537852, 627494, 672315, 896420, 941241, 990780, 1254988, 1344630, 1568735, 1882482, 2689260, 3137470, 3764964, 4706205, 6274940, 9412410, 18824820]

約数ペア:

[(1, 18824820), (2, 9412410), (3, 6274940), (4, 4706205), (5, 3764964), (6, 3137470), (7, 2689260), (10, 1882482), (12, 1568735), (14, 1344630), (15, 1254988), (19, 990780), (20, 941241), (21, 896420), (28, 672315), (30, 627494), (35, 537852), (38, 495390), (42, 448210), (49, 384180), (57, 330260), (60, 313747), (70, 268926), (76, 247695), (84, 224105), (95, 198156), (98, 192090), (105, 179284), (114, 165130), (133, 141540), (140, 134463), (147, 128060), (190, 99078), (196, 96045), (210, 89642), (228, 82565), (245, 76836), (266, 70770), (285, 66052), (294, 64030), (337, 55860), (380, 49539), (399, 47180), (420, 44821), (490, 38418), (532, 35385), (570, 33026), (588, 32015), (665, 28308), (674, 27930), (735, 25612), (798, 23590), (931, 20220), (980, 19209), (1011, 18620), (1140, 16513), (1330, 14154), (1348, 13965), (1470, 12806), (1596, 11795), (1685, 11172), (1862, 10110), (1995, 9436), (2022, 9310), (2359, 7980), (2660, 7077), (2793, 6740), (2940, 6403), (3370, 5586), (3724, 5055), (3990, 4718), (4044, 4655)]