18280548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 56137536

約数和(自身を除く): 37856988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 53, 66, 67, 78, 99, 106, 117, 132, 134, 143, 156, 159, 198, 201, 212, 234, 268, 286, 318, 396, 402, 429, 468, 477, 572, 583, 603, 636, 689, 737, 804, 858, 871, 954, 1166, 1206, 1287, 1378, 1474, 1716, 1742, 1749, 1908, 2067, 2211, 2332, 2412, 2574, 2613, 2756, 2948, 3484, 3498, 3551, 4134, 4422, 5148, 5226, 5247, 6201, 6633, 6996, 7102, 7579, 7839, 8268, 8844, 9581, 10452, 10494, 10653, 12402, 13266, 14204, 15158, 15678, 19162, 20988, 21306, 22737, 24804, 26532, 28743, 30316, 31356, 31959, 38324, 39061, 42612, 45474, 46163, 57486, 63918, 68211, 78122, 86229, 90948, 92326, 114972, 117183, 127836, 136422, 138489, 156244, 172458, 184652, 234366, 272844, 276978, 344916, 351549, 415467, 468732, 507793, 553956, 703098, 830934, 1015586, 1406196, 1523379, 1661868, 2031172, 3046758, 4570137, 6093516, 9140274, 18280548]

約数ペア:

[(1, 18280548), (2, 9140274), (3, 6093516), (4, 4570137), (6, 3046758), (9, 2031172), (11, 1661868), (12, 1523379), (13, 1406196), (18, 1015586), (22, 830934), (26, 703098), (33, 553956), (36, 507793), (39, 468732), (44, 415467), (52, 351549), (53, 344916), (66, 276978), (67, 272844), (78, 234366), (99, 184652), (106, 172458), (117, 156244), (132, 138489), (134, 136422), (143, 127836), (156, 117183), (159, 114972), (198, 92326), (201, 90948), (212, 86229), (234, 78122), (268, 68211), (286, 63918), (318, 57486), (396, 46163), (402, 45474), (429, 42612), (468, 39061), (477, 38324), (572, 31959), (583, 31356), (603, 30316), (636, 28743), (689, 26532), (737, 24804), (804, 22737), (858, 21306), (871, 20988), (954, 19162), (1166, 15678), (1206, 15158), (1287, 14204), (1378, 13266), (1474, 12402), (1716, 10653), (1742, 10494), (1749, 10452), (1908, 9581), (2067, 8844), (2211, 8268), (2332, 7839), (2412, 7579), (2574, 7102), (2613, 6996), (2756, 6633), (2948, 6201), (3484, 5247), (3498, 5226), (3551, 5148), (4134, 4422)]