19682992

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 46004992

約数和(自身を除く): 26322000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 61, 67, 86, 112, 122, 134, 172, 244, 268, 301, 344, 427, 469, 488, 536, 602, 688, 854, 938, 976, 1072, 1204, 1708, 1876, 2408, 2623, 2881, 3416, 3752, 4087, 4816, 5246, 5762, 6832, 7504, 8174, 10492, 11524, 16348, 18361, 20167, 20984, 23048, 28609, 32696, 36722, 40334, 41968, 46096, 57218, 65392, 73444, 80668, 114436, 146888, 161336, 175741, 228872, 293776, 322672, 351482, 457744, 702964, 1230187, 1405928, 2460374, 2811856, 4920748, 9841496, 19682992]

約数ペア:

[(1, 19682992), (2, 9841496), (4, 4920748), (7, 2811856), (8, 2460374), (14, 1405928), (16, 1230187), (28, 702964), (43, 457744), (56, 351482), (61, 322672), (67, 293776), (86, 228872), (112, 175741), (122, 161336), (134, 146888), (172, 114436), (244, 80668), (268, 73444), (301, 65392), (344, 57218), (427, 46096), (469, 41968), (488, 40334), (536, 36722), (602, 32696), (688, 28609), (854, 23048), (938, 20984), (976, 20167), (1072, 18361), (1204, 16348), (1708, 11524), (1876, 10492), (2408, 8174), (2623, 7504), (2881, 6832), (3416, 5762), (3752, 5246), (4087, 4816)]