19322145

素因数分解:

$3^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 37789440

約数和(自身を除く): 18467295

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 81, 93, 95, 135, 155, 171, 243, 279, 285, 405, 465, 513, 589, 729, 837, 855, 1215, 1395, 1539, 1767, 2187, 2511, 2565, 2945, 3645, 4185, 4617, 5301, 6561, 7533, 7695, 8835, 10935, 12555, 13851, 15903, 22599, 23085, 26505, 32805, 37665, 41553, 47709, 67797, 69255, 79515, 112995, 124659, 143127, 203391, 207765, 238545, 338985, 429381, 623295, 715635, 1016955, 1288143, 2146905, 3864429, 6440715, 19322145]

約数ペア:

[(1, 19322145), (3, 6440715), (5, 3864429), (9, 2146905), (15, 1288143), (19, 1016955), (27, 715635), (31, 623295), (45, 429381), (57, 338985), (81, 238545), (93, 207765), (95, 203391), (135, 143127), (155, 124659), (171, 112995), (243, 79515), (279, 69255), (285, 67797), (405, 47709), (465, 41553), (513, 37665), (589, 32805), (729, 26505), (837, 23085), (855, 22599), (1215, 15903), (1395, 13851), (1539, 12555), (1767, 10935), (2187, 8835), (2511, 7695), (2565, 7533), (2945, 6561), (3645, 5301), (4185, 4617)]