18990564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 47351808

約数和(自身を除く): 28361244

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 127, 204, 254, 381, 508, 733, 762, 1466, 1524, 2159, 2199, 2932, 4318, 4398, 6477, 8636, 8796, 12461, 12954, 24922, 25908, 37383, 49844, 74766, 93091, 149532, 186182, 279273, 372364, 558546, 1117092, 1582547, 3165094, 4747641, 6330188, 9495282, 18990564]

約数ペア:

[(1, 18990564), (2, 9495282), (3, 6330188), (4, 4747641), (6, 3165094), (12, 1582547), (17, 1117092), (34, 558546), (51, 372364), (68, 279273), (102, 186182), (127, 149532), (204, 93091), (254, 74766), (381, 49844), (508, 37383), (733, 25908), (762, 24922), (1466, 12954), (1524, 12461), (2159, 8796), (2199, 8636), (2932, 6477), (4318, 4398)]