18795816

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 56216160

約数和(自身を除く): 37420344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 156, 172, 234, 258, 312, 344, 387, 467, 468, 516, 559, 774, 934, 936, 1032, 1118, 1401, 1548, 1677, 1868, 2236, 2802, 3096, 3354, 3736, 4203, 4472, 5031, 5604, 6071, 6708, 8406, 10062, 11208, 12142, 13416, 16812, 18213, 20081, 20124, 24284, 33624, 36426, 40162, 40248, 48568, 54639, 60243, 72852, 80324, 109278, 120486, 145704, 160648, 180729, 218556, 240972, 261053, 361458, 437112, 481944, 522106, 722916, 783159, 1044212, 1445832, 1566318, 2088424, 2349477, 3132636, 4698954, 6265272, 9397908, 18795816]

約数ペア:

[(1, 18795816), (2, 9397908), (3, 6265272), (4, 4698954), (6, 3132636), (8, 2349477), (9, 2088424), (12, 1566318), (13, 1445832), (18, 1044212), (24, 783159), (26, 722916), (36, 522106), (39, 481944), (43, 437112), (52, 361458), (72, 261053), (78, 240972), (86, 218556), (104, 180729), (117, 160648), (129, 145704), (156, 120486), (172, 109278), (234, 80324), (258, 72852), (312, 60243), (344, 54639), (387, 48568), (467, 40248), (468, 40162), (516, 36426), (559, 33624), (774, 24284), (934, 20124), (936, 20081), (1032, 18213), (1118, 16812), (1401, 13416), (1548, 12142), (1677, 11208), (1868, 10062), (2236, 8406), (2802, 6708), (3096, 6071), (3354, 5604), (3736, 5031), (4203, 4472)]