19695704

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 25405096

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 107, 133, 152, 173, 214, 266, 346, 428, 532, 692, 749, 856, 1064, 1211, 1384, 1498, 2033, 2422, 2996, 3287, 4066, 4844, 5992, 6574, 8132, 9688, 13148, 14231, 16264, 18511, 23009, 26296, 28462, 37022, 46018, 56924, 74044, 92036, 113848, 129577, 148088, 184072, 259154, 351709, 518308, 703418, 1036616, 1406836, 2461963, 2813672, 4923926, 9847852, 19695704]

約数ペア:

[(1, 19695704), (2, 9847852), (4, 4923926), (7, 2813672), (8, 2461963), (14, 1406836), (19, 1036616), (28, 703418), (38, 518308), (56, 351709), (76, 259154), (107, 184072), (133, 148088), (152, 129577), (173, 113848), (214, 92036), (266, 74044), (346, 56924), (428, 46018), (532, 37022), (692, 28462), (749, 26296), (856, 23009), (1064, 18511), (1211, 16264), (1384, 14231), (1498, 13148), (2033, 9688), (2422, 8132), (2996, 6574), (3287, 5992), (4066, 4844)]