18121896

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1063

約数の個数: 96

約数和(自身を含む): 55692000

約数和(自身を除く): 37570104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1019, 1368, 1482, 1976, 2038, 2223, 2964, 3057, 4076, 4446, 5928, 6114, 8152, 8892, 9171, 12228, 13247, 17784, 18342, 19361, 24456, 26494, 36684, 38722, 39741, 52988, 58083, 73368, 77444, 79482, 105976, 116166, 119223, 154888, 158964, 174249, 232332, 238446, 251693, 317928, 348498, 464664, 476892, 503386, 696996, 755079, 953784, 1006772, 1393992, 1510158, 2013544, 2265237, 3020316, 4530474, 6040632, 9060948, 18121896]

約数ペア:

[(1, 18121896), (2, 9060948), (3, 6040632), (4, 4530474), (6, 3020316), (8, 2265237), (9, 2013544), (12, 1510158), (13, 1393992), (18, 1006772), (19, 953784), (24, 755079), (26, 696996), (36, 503386), (38, 476892), (39, 464664), (52, 348498), (57, 317928), (72, 251693), (76, 238446), (78, 232332), (104, 174249), (114, 158964), (117, 154888), (152, 119223), (156, 116166), (171, 105976), (228, 79482), (234, 77444), (247, 73368), (312, 58083), (342, 52988), (456, 39741), (468, 38722), (494, 36684), (684, 26494), (741, 24456), (936, 19361), (988, 18342), (1019, 17784), (1368, 13247), (1482, 12228), (1976, 9171), (2038, 8892), (2223, 8152), (2964, 6114), (3057, 5928), (4076, 4446)]