19490048

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4042

約数の個数: 36

約数和(自身を含む): 40961760

約数和(自身を除く): 21471712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4007, 4864, 8014, 16028, 32056, 64112, 76133, 128224, 152266, 256448, 304532, 512896, 609064, 1025792, 1218128, 2436256, 4872512, 9745024, 19490048]

約数ペア:

[(1, 19490048), (2, 9745024), (4, 4872512), (8, 2436256), (16, 1218128), (19, 1025792), (32, 609064), (38, 512896), (64, 304532), (76, 256448), (128, 152266), (152, 128224), (256, 76133), (304, 64112), (608, 32056), (1216, 16028), (2432, 8014), (4007, 4864)]