18839096638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{3527}}^1$

素因数の和:3745

約数の個数: 64

約数和(自身を含む): 31853606400

約数和(自身を除く): 13014509762

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 131, 262, 551, 703, 1073, 1102, 1406, 2146, 2489, 3527, 3799, 4847, 4978, 7054, 7598, 9694, 20387, 40774, 67013, 72181, 92093, 102283, 130499, 134026, 140563, 144362, 184186, 204566, 260998, 281126, 462037, 924074, 1943377, 2479481, 2670697, 3784471, 3886754, 4958962, 5341394, 7568942, 8778703, 13399073, 17095369, 17557406, 26798146, 34190738, 71904949, 143809898, 254582387, 324812011, 495765701, 509164774, 649624022, 991531402, 9419548319, 18839096638]

約数ペア:

[(1, 18839096638), (2, 9419548319), (19, 991531402), (29, 649624022), (37, 509164774), (38, 495765701), (58, 324812011), (74, 254582387), (131, 143809898), (262, 71904949), (551, 34190738), (703, 26798146), (1073, 17557406), (1102, 17095369), (1406, 13399073), (2146, 8778703), (2489, 7568942), (3527, 5341394), (3799, 4958962), (4847, 3886754), (4978, 3784471), (7054, 2670697), (7598, 2479481), (9694, 1943377), (20387, 924074), (40774, 462037), (67013, 281126), (72181, 260998), (92093, 204566), (102283, 184186), (130499, 144362), (134026, 140563)]