18518724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1769

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 36255996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1709, 1806, 2709, 3418, 3612, 5127, 5418, 6836, 10254, 10836, 11963, 15381, 20508, 23926, 30762, 35889, 47852, 61524, 71778, 73487, 107667, 143556, 146974, 215334, 220461, 293948, 430668, 440922, 514409, 661383, 881844, 1028818, 1322766, 1543227, 2057636, 2645532, 3086454, 4629681, 6172908, 9259362, 18518724]

約数ペア:

[(1, 18518724), (2, 9259362), (3, 6172908), (4, 4629681), (6, 3086454), (7, 2645532), (9, 2057636), (12, 1543227), (14, 1322766), (18, 1028818), (21, 881844), (28, 661383), (36, 514409), (42, 440922), (43, 430668), (63, 293948), (84, 220461), (86, 215334), (126, 146974), (129, 143556), (172, 107667), (252, 73487), (258, 71778), (301, 61524), (387, 47852), (516, 35889), (602, 30762), (774, 23926), (903, 20508), (1204, 15381), (1548, 11963), (1709, 10836), (1806, 10254), (2709, 6836), (3418, 5418), (3612, 5127)]