18680116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 44092160

約数和(自身を除く): 25412044

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 37, 38, 52, 73, 74, 76, 91, 133, 146, 148, 182, 247, 259, 266, 292, 364, 481, 494, 511, 518, 532, 703, 949, 962, 988, 1022, 1036, 1387, 1406, 1729, 1898, 1924, 2044, 2701, 2774, 2812, 3367, 3458, 3796, 4921, 5402, 5548, 6643, 6734, 6916, 9139, 9709, 9842, 10804, 13286, 13468, 18031, 18278, 18907, 19418, 19684, 26572, 35113, 36062, 36556, 37814, 38836, 51319, 63973, 70226, 72124, 75628, 102638, 126217, 127946, 140452, 205276, 245791, 252434, 255892, 359233, 491582, 504868, 667147, 718466, 983164, 1334294, 1436932, 2668588, 4670029, 9340058, 18680116]

約数ペア:

[(1, 18680116), (2, 9340058), (4, 4670029), (7, 2668588), (13, 1436932), (14, 1334294), (19, 983164), (26, 718466), (28, 667147), (37, 504868), (38, 491582), (52, 359233), (73, 255892), (74, 252434), (76, 245791), (91, 205276), (133, 140452), (146, 127946), (148, 126217), (182, 102638), (247, 75628), (259, 72124), (266, 70226), (292, 63973), (364, 51319), (481, 38836), (494, 37814), (511, 36556), (518, 36062), (532, 35113), (703, 26572), (949, 19684), (962, 19418), (988, 18907), (1022, 18278), (1036, 18031), (1387, 13468), (1406, 13286), (1729, 10804), (1898, 9842), (1924, 9709), (2044, 9139), (2701, 6916), (2774, 6734), (2812, 6643), (3367, 5548), (3458, 5402), (3796, 4921)]