18349520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 51568128

約数和(自身を除く): 33218608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 151, 155, 196, 217, 245, 248, 280, 302, 310, 392, 434, 490, 496, 560, 604, 620, 755, 784, 868, 980, 1057, 1085, 1208, 1240, 1510, 1519, 1736, 1960, 2114, 2170, 2416, 2480, 3020, 3038, 3472, 3920, 4228, 4340, 4681, 5285, 6040, 6076, 7399, 7595, 8456, 8680, 9362, 10570, 12080, 12152, 14798, 15190, 16912, 17360, 18724, 21140, 23405, 24304, 29596, 30380, 32767, 36995, 37448, 42280, 46810, 59192, 60760, 65534, 73990, 74896, 84560, 93620, 118384, 121520, 131068, 147980, 163835, 187240, 229369, 262136, 295960, 327670, 374480, 458738, 524272, 591920, 655340, 917476, 1146845, 1310680, 1834952, 2293690, 2621360, 3669904, 4587380, 9174760, 18349520]

約数ペア:

[(1, 18349520), (2, 9174760), (4, 4587380), (5, 3669904), (7, 2621360), (8, 2293690), (10, 1834952), (14, 1310680), (16, 1146845), (20, 917476), (28, 655340), (31, 591920), (35, 524272), (40, 458738), (49, 374480), (56, 327670), (62, 295960), (70, 262136), (80, 229369), (98, 187240), (112, 163835), (124, 147980), (140, 131068), (151, 121520), (155, 118384), (196, 93620), (217, 84560), (245, 74896), (248, 73990), (280, 65534), (302, 60760), (310, 59192), (392, 46810), (434, 42280), (490, 37448), (496, 36995), (560, 32767), (604, 30380), (620, 29596), (755, 24304), (784, 23405), (868, 21140), (980, 18724), (1057, 17360), (1085, 16912), (1208, 15190), (1240, 14798), (1510, 12152), (1519, 12080), (1736, 10570), (1960, 9362), (2114, 8680), (2170, 8456), (2416, 7595), (2480, 7399), (3020, 6076), (3038, 6040), (3472, 5285), (3920, 4681), (4228, 4340)]