19157904

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:805

約数の個数: 80

約数和(自身を含む): 55968640

約数和(自身を除く): 36810736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 727, 732, 976, 1098, 1454, 1464, 1647, 2181, 2196, 2908, 2928, 3294, 4362, 4392, 5816, 6543, 6588, 8724, 8784, 11632, 13086, 13176, 17448, 19629, 26172, 26352, 34896, 39258, 44347, 52344, 78516, 88694, 104688, 133041, 157032, 177388, 266082, 314064, 354776, 399123, 532164, 709552, 798246, 1064328, 1197369, 1596492, 2128656, 2394738, 3192984, 4789476, 6385968, 9578952, 19157904]

約数ペア:

[(1, 19157904), (2, 9578952), (3, 6385968), (4, 4789476), (6, 3192984), (8, 2394738), (9, 2128656), (12, 1596492), (16, 1197369), (18, 1064328), (24, 798246), (27, 709552), (36, 532164), (48, 399123), (54, 354776), (61, 314064), (72, 266082), (108, 177388), (122, 157032), (144, 133041), (183, 104688), (216, 88694), (244, 78516), (366, 52344), (432, 44347), (488, 39258), (549, 34896), (727, 26352), (732, 26172), (976, 19629), (1098, 17448), (1454, 13176), (1464, 13086), (1647, 11632), (2181, 8784), (2196, 8724), (2908, 6588), (2928, 6543), (3294, 5816), (4362, 4392)]