18256480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 50676192

約数和(自身を除く): 32419712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 41, 44, 46, 55, 80, 82, 88, 92, 110, 115, 121, 160, 164, 176, 184, 205, 220, 230, 242, 253, 328, 352, 368, 410, 440, 451, 460, 484, 506, 605, 656, 736, 820, 880, 902, 920, 943, 968, 1012, 1210, 1265, 1312, 1640, 1760, 1804, 1840, 1886, 1936, 2024, 2255, 2420, 2530, 2783, 3280, 3608, 3680, 3772, 3872, 4048, 4510, 4715, 4840, 4961, 5060, 5566, 6560, 7216, 7544, 8096, 9020, 9430, 9680, 9922, 10120, 10373, 11132, 13915, 14432, 15088, 18040, 18860, 19360, 19844, 20240, 20746, 22264, 24805, 27830, 30176, 36080, 37720, 39688, 40480, 41492, 44528, 49610, 51865, 55660, 72160, 75440, 79376, 82984, 89056, 99220, 103730, 111320, 114103, 150880, 158752, 165968, 198440, 207460, 222640, 228206, 331936, 396880, 414920, 445280, 456412, 570515, 793760, 829840, 912824, 1141030, 1659680, 1825648, 2282060, 3651296, 4564120, 9128240, 18256480]

約数ペア:

[(1, 18256480), (2, 9128240), (4, 4564120), (5, 3651296), (8, 2282060), (10, 1825648), (11, 1659680), (16, 1141030), (20, 912824), (22, 829840), (23, 793760), (32, 570515), (40, 456412), (41, 445280), (44, 414920), (46, 396880), (55, 331936), (80, 228206), (82, 222640), (88, 207460), (92, 198440), (110, 165968), (115, 158752), (121, 150880), (160, 114103), (164, 111320), (176, 103730), (184, 99220), (205, 89056), (220, 82984), (230, 79376), (242, 75440), (253, 72160), (328, 55660), (352, 51865), (368, 49610), (410, 44528), (440, 41492), (451, 40480), (460, 39688), (484, 37720), (506, 36080), (605, 30176), (656, 27830), (736, 24805), (820, 22264), (880, 20746), (902, 20240), (920, 19844), (943, 19360), (968, 18860), (1012, 18040), (1210, 15088), (1265, 14432), (1312, 13915), (1640, 11132), (1760, 10373), (1804, 10120), (1840, 9922), (1886, 9680), (1936, 9430), (2024, 9020), (2255, 8096), (2420, 7544), (2530, 7216), (2783, 6560), (3280, 5566), (3608, 5060), (3680, 4961), (3772, 4840), (3872, 4715), (4048, 4510)]