18920580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2409

約数の個数: 96

約数和(自身を含む): 63759360

約数和(自身を除く): 44838780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2371, 2660, 3990, 4742, 7113, 7980, 9484, 11855, 14226, 16597, 23710, 28452, 33194, 35565, 45049, 47420, 49791, 66388, 71130, 82985, 90098, 99582, 135147, 142260, 165970, 180196, 199164, 225245, 248955, 270294, 315343, 331940, 450490, 497910, 540588, 630686, 675735, 900980, 946029, 995820, 1261372, 1351470, 1576715, 1892058, 2702940, 3153430, 3784116, 4730145, 6306860, 9460290, 18920580]

約数ペア:

[(1, 18920580), (2, 9460290), (3, 6306860), (4, 4730145), (5, 3784116), (6, 3153430), (7, 2702940), (10, 1892058), (12, 1576715), (14, 1351470), (15, 1261372), (19, 995820), (20, 946029), (21, 900980), (28, 675735), (30, 630686), (35, 540588), (38, 497910), (42, 450490), (57, 331940), (60, 315343), (70, 270294), (76, 248955), (84, 225245), (95, 199164), (105, 180196), (114, 165970), (133, 142260), (140, 135147), (190, 99582), (210, 90098), (228, 82985), (266, 71130), (285, 66388), (380, 49791), (399, 47420), (420, 45049), (532, 35565), (570, 33194), (665, 28452), (798, 23710), (1140, 16597), (1330, 14226), (1596, 11855), (1995, 9484), (2371, 7980), (2660, 7113), (3990, 4742)]