18996516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 162

約数和(自身を含む): 62088390

約数和(自身を除く): 43091874

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 89, 98, 99, 121, 126, 132, 147, 154, 178, 196, 198, 231, 242, 252, 267, 294, 308, 356, 363, 396, 441, 462, 484, 534, 539, 588, 623, 693, 726, 801, 847, 882, 924, 979, 1068, 1078, 1089, 1246, 1386, 1452, 1602, 1617, 1694, 1764, 1869, 1958, 2156, 2178, 2492, 2541, 2772, 2937, 3204, 3234, 3388, 3738, 3916, 4356, 4361, 4851, 5082, 5607, 5874, 5929, 6468, 6853, 7476, 7623, 8722, 8811, 9702, 10164, 10769, 11214, 11748, 11858, 13083, 13706, 15246, 17444, 17622, 17787, 19404, 20559, 21538, 22428, 23716, 26166, 27412, 30492, 32307, 35244, 35574, 39249, 41118, 43076, 47971, 52332, 53361, 61677, 64614, 71148, 75383, 78498, 82236, 95942, 96921, 106722, 123354, 129228, 143913, 150766, 156996, 191884, 193842, 213444, 226149, 246708, 287826, 301532, 387684, 431739, 452298, 527681, 575652, 678447, 863478, 904596, 1055362, 1356894, 1583043, 1726956, 2110724, 2713788, 3166086, 4749129, 6332172, 9498258, 18996516]

約数ペア:

[(1, 18996516), (2, 9498258), (3, 6332172), (4, 4749129), (6, 3166086), (7, 2713788), (9, 2110724), (11, 1726956), (12, 1583043), (14, 1356894), (18, 1055362), (21, 904596), (22, 863478), (28, 678447), (33, 575652), (36, 527681), (42, 452298), (44, 431739), (49, 387684), (63, 301532), (66, 287826), (77, 246708), (84, 226149), (89, 213444), (98, 193842), (99, 191884), (121, 156996), (126, 150766), (132, 143913), (147, 129228), (154, 123354), (178, 106722), (196, 96921), (198, 95942), (231, 82236), (242, 78498), (252, 75383), (267, 71148), (294, 64614), (308, 61677), (356, 53361), (363, 52332), (396, 47971), (441, 43076), (462, 41118), (484, 39249), (534, 35574), (539, 35244), (588, 32307), (623, 30492), (693, 27412), (726, 26166), (801, 23716), (847, 22428), (882, 21538), (924, 20559), (979, 19404), (1068, 17787), (1078, 17622), (1089, 17444), (1246, 15246), (1386, 13706), (1452, 13083), (1602, 11858), (1617, 11748), (1694, 11214), (1764, 10769), (1869, 10164), (1958, 9702), (2156, 8811), (2178, 8722), (2492, 7623), (2541, 7476), (2772, 6853), (2937, 6468), (3204, 5929), (3234, 5874), (3388, 5607), (3738, 5082), (3916, 4851), (4356, 4361)]