19420024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 22311176

約数列:

[1, 2, 4, 8, 13, 26, 29, 47, 52, 58, 94, 104, 116, 137, 188, 232, 274, 376, 377, 548, 611, 754, 1096, 1222, 1363, 1508, 1781, 2444, 2726, 3016, 3562, 3973, 4888, 5452, 6439, 7124, 7946, 10904, 12878, 14248, 15892, 17719, 25756, 31784, 35438, 51512, 51649, 70876, 83707, 103298, 141752, 167414, 186731, 206596, 334828, 373462, 413192, 669656, 746924, 1493848, 2427503, 4855006, 9710012, 19420024]

約数ペア:

[(1, 19420024), (2, 9710012), (4, 4855006), (8, 2427503), (13, 1493848), (26, 746924), (29, 669656), (47, 413192), (52, 373462), (58, 334828), (94, 206596), (104, 186731), (116, 167414), (137, 141752), (188, 103298), (232, 83707), (274, 70876), (376, 51649), (377, 51512), (548, 35438), (611, 31784), (754, 25756), (1096, 17719), (1222, 15892), (1363, 14248), (1508, 12878), (1781, 10904), (2444, 7946), (2726, 7124), (3016, 6439), (3562, 5452), (3973, 4888)]