16961984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 112

約数和(自身を含む): 40538400

約数和(自身を除く): 23576416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 32, 37, 38, 52, 58, 64, 74, 76, 104, 116, 148, 152, 208, 232, 247, 296, 304, 377, 416, 464, 481, 494, 551, 592, 608, 703, 754, 832, 928, 962, 988, 1073, 1102, 1184, 1216, 1406, 1508, 1856, 1924, 1976, 2146, 2204, 2368, 2812, 3016, 3848, 3952, 4292, 4408, 5624, 6032, 7163, 7696, 7904, 8584, 8816, 9139, 11248, 12064, 13949, 14326, 15392, 15808, 17168, 17632, 18278, 20387, 22496, 24128, 27898, 28652, 30784, 34336, 35264, 36556, 40774, 44992, 55796, 57304, 68672, 73112, 81548, 111592, 114608, 146224, 163096, 223184, 229216, 265031, 292448, 326192, 446368, 458432, 530062, 584896, 652384, 892736, 1060124, 1304768, 2120248, 4240496, 8480992, 16961984]

約数ペア:

[(1, 16961984), (2, 8480992), (4, 4240496), (8, 2120248), (13, 1304768), (16, 1060124), (19, 892736), (26, 652384), (29, 584896), (32, 530062), (37, 458432), (38, 446368), (52, 326192), (58, 292448), (64, 265031), (74, 229216), (76, 223184), (104, 163096), (116, 146224), (148, 114608), (152, 111592), (208, 81548), (232, 73112), (247, 68672), (296, 57304), (304, 55796), (377, 44992), (416, 40774), (464, 36556), (481, 35264), (494, 34336), (551, 30784), (592, 28652), (608, 27898), (703, 24128), (754, 22496), (832, 20387), (928, 18278), (962, 17632), (988, 17168), (1073, 15808), (1102, 15392), (1184, 14326), (1216, 13949), (1406, 12064), (1508, 11248), (1856, 9139), (1924, 8816), (1976, 8584), (2146, 7904), (2204, 7696), (2368, 7163), (2812, 6032), (3016, 5624), (3848, 4408), (3952, 4292)]