18969720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2053}}^1$

素因数の和:2085

約数の個数: 128

約数和(自身を含む): 70986240

約数和(自身を除く): 52016520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2053, 2310, 3080, 4106, 4620, 6159, 8212, 9240, 10265, 12318, 14371, 16424, 20530, 22583, 24636, 28742, 30795, 41060, 43113, 45166, 49272, 57484, 61590, 67749, 71855, 82120, 86226, 90332, 112915, 114968, 123180, 135498, 143710, 158081, 172452, 180664, 215565, 225830, 246360, 270996, 287420, 316162, 338745, 344904, 431130, 451660, 474243, 541992, 574840, 632324, 677490, 790405, 862260, 903320, 948486, 1264648, 1354980, 1580810, 1724520, 1896972, 2371215, 2709960, 3161620, 3793944, 4742430, 6323240, 9484860, 18969720]

約数ペア:

[(1, 18969720), (2, 9484860), (3, 6323240), (4, 4742430), (5, 3793944), (6, 3161620), (7, 2709960), (8, 2371215), (10, 1896972), (11, 1724520), (12, 1580810), (14, 1354980), (15, 1264648), (20, 948486), (21, 903320), (22, 862260), (24, 790405), (28, 677490), (30, 632324), (33, 574840), (35, 541992), (40, 474243), (42, 451660), (44, 431130), (55, 344904), (56, 338745), (60, 316162), (66, 287420), (70, 270996), (77, 246360), (84, 225830), (88, 215565), (105, 180664), (110, 172452), (120, 158081), (132, 143710), (140, 135498), (154, 123180), (165, 114968), (168, 112915), (210, 90332), (220, 86226), (231, 82120), (264, 71855), (280, 67749), (308, 61590), (330, 57484), (385, 49272), (420, 45166), (440, 43113), (462, 41060), (616, 30795), (660, 28742), (770, 24636), (840, 22583), (924, 20530), (1155, 16424), (1320, 14371), (1540, 12318), (1848, 10265), (2053, 9240), (2310, 8212), (3080, 6159), (4106, 4620)]