1861715456

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1155

約数の個数: 80

約数和(自身を含む): 3938468160

約数和(自身を除く): 2076752704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 211, 256, 304, 422, 512, 608, 844, 907, 1216, 1688, 1814, 2432, 3376, 3628, 4009, 4864, 6752, 7256, 8018, 9728, 13504, 14512, 16036, 17233, 27008, 29024, 32072, 34466, 54016, 58048, 64144, 68932, 108032, 116096, 128288, 137864, 191377, 232192, 256576, 275728, 382754, 464384, 513152, 551456, 765508, 1026304, 1102912, 1531016, 2052608, 2205824, 3062032, 3636163, 4411648, 6124064, 7272326, 8823296, 12248128, 14544652, 24496256, 29089304, 48992512, 58178608, 97985024, 116357216, 232714432, 465428864, 930857728, 1861715456]

約数ペア:

[(1, 1861715456), (2, 930857728), (4, 465428864), (8, 232714432), (16, 116357216), (19, 97985024), (32, 58178608), (38, 48992512), (64, 29089304), (76, 24496256), (128, 14544652), (152, 12248128), (211, 8823296), (256, 7272326), (304, 6124064), (422, 4411648), (512, 3636163), (608, 3062032), (844, 2205824), (907, 2052608), (1216, 1531016), (1688, 1102912), (1814, 1026304), (2432, 765508), (3376, 551456), (3628, 513152), (4009, 464384), (4864, 382754), (6752, 275728), (7256, 256576), (8018, 232192), (9728, 191377), (13504, 137864), (14512, 128288), (16036, 116096), (17233, 108032), (27008, 68932), (29024, 64144), (32072, 58048), (34466, 54016)]