18993936

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 53816000

約数和(自身を除く): 34822064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 244, 312, 366, 488, 499, 624, 732, 793, 976, 998, 1464, 1497, 1586, 1996, 2379, 2928, 2994, 3172, 3992, 4758, 5988, 6344, 6487, 7984, 9516, 11976, 12688, 12974, 19032, 19461, 23952, 25948, 30439, 38064, 38922, 51896, 60878, 77844, 91317, 103792, 121756, 155688, 182634, 243512, 311376, 365268, 395707, 487024, 730536, 791414, 1187121, 1461072, 1582828, 2374242, 3165656, 4748484, 6331312, 9496968, 18993936]

約数ペア:

[(1, 18993936), (2, 9496968), (3, 6331312), (4, 4748484), (6, 3165656), (8, 2374242), (12, 1582828), (13, 1461072), (16, 1187121), (24, 791414), (26, 730536), (39, 487024), (48, 395707), (52, 365268), (61, 311376), (78, 243512), (104, 182634), (122, 155688), (156, 121756), (183, 103792), (208, 91317), (244, 77844), (312, 60878), (366, 51896), (488, 38922), (499, 38064), (624, 30439), (732, 25948), (793, 23952), (976, 19461), (998, 19032), (1464, 12974), (1497, 12688), (1586, 11976), (1996, 9516), (2379, 7984), (2928, 6487), (2994, 6344), (3172, 5988), (3992, 4758)]