19281808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 52496640

約数和(自身を除く): 33214832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 34, 38, 41, 52, 56, 68, 76, 82, 91, 104, 112, 119, 133, 136, 152, 164, 182, 208, 221, 238, 247, 266, 272, 287, 304, 323, 328, 364, 442, 476, 494, 532, 533, 574, 646, 656, 697, 728, 779, 884, 952, 988, 1064, 1066, 1148, 1292, 1394, 1456, 1547, 1558, 1729, 1768, 1904, 1976, 2128, 2132, 2261, 2296, 2584, 2788, 3094, 3116, 3458, 3536, 3731, 3952, 4199, 4264, 4522, 4592, 4879, 5168, 5453, 5576, 6188, 6232, 6916, 7462, 8398, 8528, 9044, 9061, 9758, 10127, 10906, 11152, 12376, 12464, 13243, 13832, 14924, 16796, 18088, 18122, 19516, 20254, 21812, 24752, 26486, 27664, 29393, 29848, 33592, 36176, 36244, 39032, 40508, 43624, 52972, 58786, 59696, 63427, 67184, 70889, 72488, 78064, 81016, 87248, 92701, 105944, 117572, 126854, 141778, 144976, 162032, 172159, 185402, 211888, 235144, 253708, 283556, 344318, 370804, 470288, 507416, 567112, 688636, 741608, 1014832, 1134224, 1205113, 1377272, 1483216, 2410226, 2754544, 4820452, 9640904, 19281808]

約数ペア:

[(1, 19281808), (2, 9640904), (4, 4820452), (7, 2754544), (8, 2410226), (13, 1483216), (14, 1377272), (16, 1205113), (17, 1134224), (19, 1014832), (26, 741608), (28, 688636), (34, 567112), (38, 507416), (41, 470288), (52, 370804), (56, 344318), (68, 283556), (76, 253708), (82, 235144), (91, 211888), (104, 185402), (112, 172159), (119, 162032), (133, 144976), (136, 141778), (152, 126854), (164, 117572), (182, 105944), (208, 92701), (221, 87248), (238, 81016), (247, 78064), (266, 72488), (272, 70889), (287, 67184), (304, 63427), (323, 59696), (328, 58786), (364, 52972), (442, 43624), (476, 40508), (494, 39032), (532, 36244), (533, 36176), (574, 33592), (646, 29848), (656, 29393), (697, 27664), (728, 26486), (779, 24752), (884, 21812), (952, 20254), (988, 19516), (1064, 18122), (1066, 18088), (1148, 16796), (1292, 14924), (1394, 13832), (1456, 13243), (1547, 12464), (1558, 12376), (1729, 11152), (1768, 10906), (1904, 10127), (1976, 9758), (2128, 9061), (2132, 9044), (2261, 8528), (2296, 8398), (2584, 7462), (2788, 6916), (3094, 6232), (3116, 6188), (3458, 5576), (3536, 5453), (3731, 5168), (3952, 4879), (4199, 4592), (4264, 4522)]