19005558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 47319552

約数和(自身を除く): 28313994

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1303, 1326, 2431, 2606, 3909, 4862, 7293, 7818, 14333, 14586, 16939, 22151, 28666, 33878, 42999, 44302, 50817, 66453, 85998, 101634, 132906, 186329, 243661, 287963, 372658, 487322, 558987, 575926, 730983, 863889, 1117974, 1461966, 1727778, 3167593, 6335186, 9502779, 19005558]

約数ペア:

[(1, 19005558), (2, 9502779), (3, 6335186), (6, 3167593), (11, 1727778), (13, 1461966), (17, 1117974), (22, 863889), (26, 730983), (33, 575926), (34, 558987), (39, 487322), (51, 372658), (66, 287963), (78, 243661), (102, 186329), (143, 132906), (187, 101634), (221, 85998), (286, 66453), (374, 50817), (429, 44302), (442, 42999), (561, 33878), (663, 28666), (858, 22151), (1122, 16939), (1303, 14586), (1326, 14333), (2431, 7818), (2606, 7293), (3909, 4862)]