19689092

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 18641788

約数列:

[1, 2, 4, 19, 31, 38, 61, 62, 76, 122, 124, 137, 244, 274, 548, 589, 1159, 1178, 1891, 2318, 2356, 2603, 3782, 4247, 4636, 5206, 7564, 8357, 8494, 10412, 16714, 16988, 33428, 35929, 71858, 80693, 143716, 158783, 161386, 259067, 317566, 322772, 518134, 635132, 1036268, 4922273, 9844546, 19689092]

約数ペア:

[(1, 19689092), (2, 9844546), (4, 4922273), (19, 1036268), (31, 635132), (38, 518134), (61, 322772), (62, 317566), (76, 259067), (122, 161386), (124, 158783), (137, 143716), (244, 80693), (274, 71858), (548, 35929), (589, 33428), (1159, 16988), (1178, 16714), (1891, 10412), (2318, 8494), (2356, 8357), (2603, 7564), (3782, 5206), (4247, 4636)]