19125760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 47532672

約数和(自身を除く): 28406912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 241, 248, 256, 310, 320, 482, 496, 512, 620, 640, 964, 992, 1205, 1240, 1280, 1928, 1984, 2410, 2480, 2560, 3856, 3968, 4820, 4960, 7471, 7712, 7936, 9640, 9920, 14942, 15424, 15872, 19280, 19840, 29884, 30848, 37355, 38560, 39680, 59768, 61696, 74710, 77120, 79360, 119536, 123392, 149420, 154240, 239072, 298840, 308480, 478144, 597680, 616960, 956288, 1195360, 1912576, 2390720, 3825152, 4781440, 9562880, 19125760]

約数ペア:

[(1, 19125760), (2, 9562880), (4, 4781440), (5, 3825152), (8, 2390720), (10, 1912576), (16, 1195360), (20, 956288), (31, 616960), (32, 597680), (40, 478144), (62, 308480), (64, 298840), (80, 239072), (124, 154240), (128, 149420), (155, 123392), (160, 119536), (241, 79360), (248, 77120), (256, 74710), (310, 61696), (320, 59768), (482, 39680), (496, 38560), (512, 37355), (620, 30848), (640, 29884), (964, 19840), (992, 19280), (1205, 15872), (1240, 15424), (1280, 14942), (1928, 9920), (1984, 9640), (2410, 7936), (2480, 7712), (2560, 7471), (3856, 4960), (3968, 4820)]