19981416

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1343

約数の個数: 96

約数和(自身を含む): 62627040

約数和(自身を除く): 42645624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1274, 1307, 1911, 2184, 2548, 2614, 3822, 3921, 5096, 5228, 7644, 7842, 9149, 10456, 15288, 15684, 16991, 18298, 27447, 31368, 33982, 36596, 50973, 54894, 64043, 67964, 73192, 101946, 109788, 118937, 128086, 135928, 192129, 203892, 219576, 237874, 256172, 356811, 384258, 407784, 475748, 512344, 713622, 768516, 832559, 951496, 1427244, 1537032, 1665118, 2497677, 2854488, 3330236, 4995354, 6660472, 9990708, 19981416]

約数ペア:

[(1, 19981416), (2, 9990708), (3, 6660472), (4, 4995354), (6, 3330236), (7, 2854488), (8, 2497677), (12, 1665118), (13, 1537032), (14, 1427244), (21, 951496), (24, 832559), (26, 768516), (28, 713622), (39, 512344), (42, 475748), (49, 407784), (52, 384258), (56, 356811), (78, 256172), (84, 237874), (91, 219576), (98, 203892), (104, 192129), (147, 135928), (156, 128086), (168, 118937), (182, 109788), (196, 101946), (273, 73192), (294, 67964), (312, 64043), (364, 54894), (392, 50973), (546, 36596), (588, 33982), (637, 31368), (728, 27447), (1092, 18298), (1176, 16991), (1274, 15684), (1307, 15288), (1911, 10456), (2184, 9149), (2548, 7842), (2614, 7644), (3822, 5228), (3921, 5096)]