19382672

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 39934200

約数和(自身を除く): 20551528

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 148, 232, 296, 464, 592, 1073, 1129, 2146, 2258, 4292, 4516, 8584, 9032, 17168, 18064, 32741, 41773, 65482, 83546, 130964, 167092, 261928, 334184, 523856, 668368, 1211417, 2422834, 4845668, 9691336, 19382672]

約数ペア:

[(1, 19382672), (2, 9691336), (4, 4845668), (8, 2422834), (16, 1211417), (29, 668368), (37, 523856), (58, 334184), (74, 261928), (116, 167092), (148, 130964), (232, 83546), (296, 65482), (464, 41773), (592, 32741), (1073, 18064), (1129, 17168), (2146, 9032), (2258, 8584), (4292, 4516)]