19851832

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 52093440

約数和(自身を除く): 32241608

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 37, 44, 52, 56, 67, 74, 77, 88, 91, 104, 134, 143, 148, 154, 182, 259, 268, 286, 296, 308, 364, 407, 469, 481, 518, 536, 572, 616, 728, 737, 814, 871, 938, 962, 1001, 1036, 1144, 1474, 1628, 1742, 1876, 1924, 2002, 2072, 2479, 2849, 2948, 3256, 3367, 3484, 3752, 3848, 4004, 4958, 5159, 5291, 5698, 5896, 6097, 6734, 6968, 8008, 9581, 9916, 10318, 10582, 11396, 12194, 13468, 17353, 19162, 19832, 20636, 21164, 22792, 24388, 26936, 27269, 32227, 34706, 37037, 38324, 41272, 42328, 48776, 54538, 64454, 67067, 69412, 74074, 76648, 109076, 128908, 134134, 138824, 148148, 190883, 218152, 225589, 257816, 268268, 296296, 354497, 381766, 451178, 536536, 708994, 763532, 902356, 1417988, 1527064, 1804712, 2481479, 2835976, 4962958, 9925916, 19851832]

約数ペア:

[(1, 19851832), (2, 9925916), (4, 4962958), (7, 2835976), (8, 2481479), (11, 1804712), (13, 1527064), (14, 1417988), (22, 902356), (26, 763532), (28, 708994), (37, 536536), (44, 451178), (52, 381766), (56, 354497), (67, 296296), (74, 268268), (77, 257816), (88, 225589), (91, 218152), (104, 190883), (134, 148148), (143, 138824), (148, 134134), (154, 128908), (182, 109076), (259, 76648), (268, 74074), (286, 69412), (296, 67067), (308, 64454), (364, 54538), (407, 48776), (469, 42328), (481, 41272), (518, 38324), (536, 37037), (572, 34706), (616, 32227), (728, 27269), (737, 26936), (814, 24388), (871, 22792), (938, 21164), (962, 20636), (1001, 19832), (1036, 19162), (1144, 17353), (1474, 13468), (1628, 12194), (1742, 11396), (1876, 10582), (1924, 10318), (2002, 9916), (2072, 9581), (2479, 8008), (2849, 6968), (2948, 6734), (3256, 6097), (3367, 5896), (3484, 5698), (3752, 5291), (3848, 5159), (4004, 4958)]