19685248

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 45581760

約数和(自身を除く): 25896512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 41, 44, 62, 64, 82, 88, 121, 124, 128, 164, 176, 242, 248, 328, 341, 352, 451, 484, 496, 656, 682, 704, 902, 968, 992, 1271, 1312, 1364, 1408, 1804, 1936, 1984, 2542, 2624, 2728, 3608, 3751, 3872, 3968, 4961, 5084, 5248, 5456, 7216, 7502, 7744, 9922, 10168, 10912, 13981, 14432, 15004, 15488, 19844, 20336, 21824, 27962, 28864, 30008, 39688, 40672, 43648, 55924, 57728, 60016, 79376, 81344, 111848, 120032, 153791, 158752, 162688, 223696, 240064, 307582, 317504, 447392, 480128, 615164, 635008, 894784, 1230328, 1789568, 2460656, 4921312, 9842624, 19685248]

約数ペア:

[(1, 19685248), (2, 9842624), (4, 4921312), (8, 2460656), (11, 1789568), (16, 1230328), (22, 894784), (31, 635008), (32, 615164), (41, 480128), (44, 447392), (62, 317504), (64, 307582), (82, 240064), (88, 223696), (121, 162688), (124, 158752), (128, 153791), (164, 120032), (176, 111848), (242, 81344), (248, 79376), (328, 60016), (341, 57728), (352, 55924), (451, 43648), (484, 40672), (496, 39688), (656, 30008), (682, 28864), (704, 27962), (902, 21824), (968, 20336), (992, 19844), (1271, 15488), (1312, 15004), (1364, 14432), (1408, 13981), (1804, 10912), (1936, 10168), (1984, 9922), (2542, 7744), (2624, 7502), (2728, 7216), (3608, 5456), (3751, 5248), (3872, 5084), (3968, 4961)]