19526280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 43372920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 181, 186, 232, 248, 290, 310, 348, 362, 372, 435, 465, 543, 580, 620, 696, 724, 744, 870, 899, 905, 930, 1086, 1160, 1240, 1448, 1740, 1798, 1810, 1860, 2172, 2697, 2715, 3480, 3596, 3620, 3720, 4344, 4495, 5249, 5394, 5430, 5611, 7192, 7240, 8990, 10498, 10788, 10860, 11222, 13485, 15747, 16833, 17980, 20996, 21576, 21720, 22444, 26245, 26970, 28055, 31494, 33666, 35960, 41992, 44888, 52490, 53940, 56110, 62988, 67332, 78735, 84165, 104980, 107880, 112220, 125976, 134664, 157470, 162719, 168330, 209960, 224440, 314940, 325438, 336660, 488157, 629880, 650876, 673320, 813595, 976314, 1301752, 1627190, 1952628, 2440785, 3254380, 3905256, 4881570, 6508760, 9763140, 19526280]

約数ペア:

[(1, 19526280), (2, 9763140), (3, 6508760), (4, 4881570), (5, 3905256), (6, 3254380), (8, 2440785), (10, 1952628), (12, 1627190), (15, 1301752), (20, 976314), (24, 813595), (29, 673320), (30, 650876), (31, 629880), (40, 488157), (58, 336660), (60, 325438), (62, 314940), (87, 224440), (93, 209960), (116, 168330), (120, 162719), (124, 157470), (145, 134664), (155, 125976), (174, 112220), (181, 107880), (186, 104980), (232, 84165), (248, 78735), (290, 67332), (310, 62988), (348, 56110), (362, 53940), (372, 52490), (435, 44888), (465, 41992), (543, 35960), (580, 33666), (620, 31494), (696, 28055), (724, 26970), (744, 26245), (870, 22444), (899, 21720), (905, 21576), (930, 20996), (1086, 17980), (1160, 16833), (1240, 15747), (1448, 13485), (1740, 11222), (1798, 10860), (1810, 10788), (1860, 10498), (2172, 8990), (2697, 7240), (2715, 7192), (3480, 5611), (3596, 5430), (3620, 5394), (3720, 5249), (4344, 4495)]