19173651

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 31912704

約数和(自身を除く): 12739053

約数列:

[1, 3, 7, 21, 23, 49, 53, 69, 107, 147, 159, 161, 321, 371, 483, 749, 1113, 1127, 1219, 2247, 2461, 2597, 3381, 3657, 5243, 5671, 7383, 7791, 8533, 15729, 17013, 17227, 25599, 39697, 51681, 59731, 119091, 120589, 130433, 179193, 277879, 361767, 391299, 833637, 913031, 2739093, 6391217, 19173651]

約数ペア:

[(1, 19173651), (3, 6391217), (7, 2739093), (21, 913031), (23, 833637), (49, 391299), (53, 361767), (69, 277879), (107, 179193), (147, 130433), (159, 120589), (161, 119091), (321, 59731), (371, 51681), (483, 39697), (749, 25599), (1113, 17227), (1127, 17013), (1219, 15729), (2247, 8533), (2461, 7791), (2597, 7383), (3381, 5671), (3657, 5243)]