19005263088890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{15643}}^1\times {\mathrm{71341}}^1$

素因数の和:87135

約数の個数: 64

約数和(自身を含む): 37125093785472

約数和(自身を除く): 18119830696582

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 15643, 17030, 31286, 71341, 78215, 142682, 156430, 203359, 356705, 406718, 713410, 927433, 1016795, 1854866, 2033590, 2049233, 4098466, 4637165, 9274330, 9345671, 10246165, 18691342, 20492330, 26640029, 46728355, 53280058, 93456710, 121493723, 133200145, 242987446, 266400290, 607468615, 1115987263, 1214937230, 2231974526, 5579936315, 11159872630, 14507834419, 29015668838, 72539172095, 145078344190, 146194331453, 292388662906, 730971657265, 1461943314530, 1900526308889, 3801052617778, 9502631544445, 19005263088890]

約数ペア:

[(1, 19005263088890), (2, 9502631544445), (5, 3801052617778), (10, 1900526308889), (13, 1461943314530), (26, 730971657265), (65, 292388662906), (130, 146194331453), (131, 145078344190), (262, 72539172095), (655, 29015668838), (1310, 14507834419), (1703, 11159872630), (3406, 5579936315), (8515, 2231974526), (15643, 1214937230), (17030, 1115987263), (31286, 607468615), (71341, 266400290), (78215, 242987446), (142682, 133200145), (156430, 121493723), (203359, 93456710), (356705, 53280058), (406718, 46728355), (713410, 26640029), (927433, 20492330), (1016795, 18691342), (1854866, 10246165), (2033590, 9345671), (2049233, 9274330), (4098466, 4637165)]