11992990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 24883200

約数和(自身を除く): 12890210

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 47, 79, 85, 94, 95, 158, 170, 190, 235, 323, 395, 470, 646, 790, 799, 893, 1343, 1501, 1598, 1615, 1786, 2686, 3002, 3230, 3713, 3995, 4465, 6715, 7426, 7505, 7990, 8930, 13430, 15010, 15181, 18565, 25517, 30362, 37130, 51034, 63121, 70547, 75905, 126242, 127585, 141094, 151810, 255170, 315605, 352735, 631210, 705470, 1199299, 2398598, 5996495, 11992990]

約数ペア:

[(1, 11992990), (2, 5996495), (5, 2398598), (10, 1199299), (17, 705470), (19, 631210), (34, 352735), (38, 315605), (47, 255170), (79, 151810), (85, 141094), (94, 127585), (95, 126242), (158, 75905), (170, 70547), (190, 63121), (235, 51034), (323, 37130), (395, 30362), (470, 25517), (646, 18565), (790, 15181), (799, 15010), (893, 13430), (1343, 8930), (1501, 7990), (1598, 7505), (1615, 7426), (1786, 6715), (2686, 4465), (3002, 3995), (3230, 3713)]