19447792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 50267616

約数和(自身を除く): 30819824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 37, 38, 52, 56, 74, 76, 91, 104, 112, 133, 148, 152, 182, 208, 247, 259, 266, 296, 304, 361, 364, 481, 494, 518, 532, 592, 703, 722, 728, 962, 988, 1036, 1064, 1406, 1444, 1456, 1729, 1924, 1976, 2072, 2128, 2527, 2812, 2888, 3367, 3458, 3848, 3952, 4144, 4693, 4921, 5054, 5624, 5776, 6734, 6916, 7696, 9139, 9386, 9842, 10108, 11248, 13357, 13468, 13832, 18278, 18772, 19684, 20216, 26714, 26936, 27664, 32851, 36556, 37544, 39368, 40432, 53428, 53872, 63973, 65702, 73112, 75088, 78736, 93499, 106856, 127946, 131404, 146224, 173641, 186998, 213712, 255892, 262808, 347282, 373996, 511784, 525616, 694564, 747992, 1023568, 1215487, 1389128, 1495984, 2430974, 2778256, 4861948, 9723896, 19447792]

約数ペア:

[(1, 19447792), (2, 9723896), (4, 4861948), (7, 2778256), (8, 2430974), (13, 1495984), (14, 1389128), (16, 1215487), (19, 1023568), (26, 747992), (28, 694564), (37, 525616), (38, 511784), (52, 373996), (56, 347282), (74, 262808), (76, 255892), (91, 213712), (104, 186998), (112, 173641), (133, 146224), (148, 131404), (152, 127946), (182, 106856), (208, 93499), (247, 78736), (259, 75088), (266, 73112), (296, 65702), (304, 63973), (361, 53872), (364, 53428), (481, 40432), (494, 39368), (518, 37544), (532, 36556), (592, 32851), (703, 27664), (722, 26936), (728, 26714), (962, 20216), (988, 19684), (1036, 18772), (1064, 18278), (1406, 13832), (1444, 13468), (1456, 13357), (1729, 11248), (1924, 10108), (1976, 9842), (2072, 9386), (2128, 9139), (2527, 7696), (2812, 6916), (2888, 6734), (3367, 5776), (3458, 5624), (3848, 5054), (3952, 4921), (4144, 4693)]