19358716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 20013764

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 221, 244, 359, 442, 718, 793, 884, 1037, 1436, 1586, 2074, 3172, 4148, 4667, 6103, 9334, 12206, 13481, 18668, 21899, 24412, 26962, 43798, 53924, 79339, 87596, 158678, 284687, 317356, 372283, 569374, 744566, 1138748, 1489132, 4839679, 9679358, 19358716]

約数ペア:

[(1, 19358716), (2, 9679358), (4, 4839679), (13, 1489132), (17, 1138748), (26, 744566), (34, 569374), (52, 372283), (61, 317356), (68, 284687), (122, 158678), (221, 87596), (244, 79339), (359, 53924), (442, 43798), (718, 26962), (793, 24412), (884, 21899), (1037, 18668), (1436, 13481), (1586, 12206), (2074, 9334), (3172, 6103), (4148, 4667)]