18884518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15951962

約数列:

[1, 2, 17, 19, 23, 31, 34, 38, 41, 46, 62, 82, 323, 391, 437, 527, 589, 646, 697, 713, 779, 782, 874, 943, 1054, 1178, 1271, 1394, 1426, 1558, 1886, 2542, 7429, 10013, 12121, 13243, 13547, 14858, 16031, 17917, 20026, 21607, 24149, 24242, 26486, 27094, 29233, 32062, 35834, 43214, 48298, 58466, 230299, 304589, 410533, 460598, 496961, 555427, 609178, 821066, 993922, 1110854, 9442259, 18884518]

約数ペア:

[(1, 18884518), (2, 9442259), (17, 1110854), (19, 993922), (23, 821066), (31, 609178), (34, 555427), (38, 496961), (41, 460598), (46, 410533), (62, 304589), (82, 230299), (323, 58466), (391, 48298), (437, 43214), (527, 35834), (589, 32062), (646, 29233), (697, 27094), (713, 26486), (779, 24242), (782, 24149), (874, 21607), (943, 20026), (1054, 17917), (1178, 16031), (1271, 14858), (1394, 13547), (1426, 13243), (1558, 12121), (1886, 10013), (2542, 7429)]