19995430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 46769184

約数和(自身を除く): 26773754

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 49, 65, 70, 73, 86, 91, 98, 130, 146, 182, 215, 245, 301, 365, 430, 455, 490, 511, 559, 602, 637, 730, 910, 949, 1022, 1118, 1274, 1505, 1898, 2107, 2555, 2795, 3010, 3139, 3185, 3577, 3913, 4214, 4745, 5110, 5590, 6278, 6370, 6643, 7154, 7826, 9490, 10535, 13286, 15695, 17885, 19565, 21070, 21973, 27391, 31390, 33215, 35770, 39130, 40807, 43946, 46501, 54782, 66430, 81614, 93002, 109865, 136955, 153811, 204035, 219730, 232505, 273910, 285649, 307622, 408070, 465010, 571298, 769055, 1428245, 1538110, 1999543, 2856490, 3999086, 9997715, 19995430]

約数ペア:

[(1, 19995430), (2, 9997715), (5, 3999086), (7, 2856490), (10, 1999543), (13, 1538110), (14, 1428245), (26, 769055), (35, 571298), (43, 465010), (49, 408070), (65, 307622), (70, 285649), (73, 273910), (86, 232505), (91, 219730), (98, 204035), (130, 153811), (146, 136955), (182, 109865), (215, 93002), (245, 81614), (301, 66430), (365, 54782), (430, 46501), (455, 43946), (490, 40807), (511, 39130), (559, 35770), (602, 33215), (637, 31390), (730, 27391), (910, 21973), (949, 21070), (1022, 19565), (1118, 17885), (1274, 15695), (1505, 13286), (1898, 10535), (2107, 9490), (2555, 7826), (2795, 7154), (3010, 6643), (3139, 6370), (3185, 6278), (3577, 5590), (3913, 5110), (4214, 4745)]