18439776

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1548

約数の個数: 72

約数和(自身を含む): 53693640

約数和(自身を除く): 35253864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1489, 1548, 2064, 2978, 3096, 4128, 4467, 5956, 6192, 8934, 11912, 12384, 13401, 17868, 23824, 26802, 35736, 47648, 53604, 64027, 71472, 107208, 128054, 142944, 192081, 214416, 256108, 384162, 428832, 512216, 576243, 768324, 1024432, 1152486, 1536648, 2048864, 2304972, 3073296, 4609944, 6146592, 9219888, 18439776]

約数ペア:

[(1, 18439776), (2, 9219888), (3, 6146592), (4, 4609944), (6, 3073296), (8, 2304972), (9, 2048864), (12, 1536648), (16, 1152486), (18, 1024432), (24, 768324), (32, 576243), (36, 512216), (43, 428832), (48, 384162), (72, 256108), (86, 214416), (96, 192081), (129, 142944), (144, 128054), (172, 107208), (258, 71472), (288, 64027), (344, 53604), (387, 47648), (516, 35736), (688, 26802), (774, 23824), (1032, 17868), (1376, 13401), (1489, 12384), (1548, 11912), (2064, 8934), (2978, 6192), (3096, 5956), (4128, 4467)]