19287224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3593}}^1$

素因数の和:3671

約数の個数: 32

約数和(自身を含む): 40109040

約数和(自身を除く): 20821816

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3593, 5368, 7186, 14372, 28744, 39523, 79046, 158092, 219173, 316184, 438346, 876692, 1753384, 2410903, 4821806, 9643612, 19287224]

約数ペア:

[(1, 19287224), (2, 9643612), (4, 4821806), (8, 2410903), (11, 1753384), (22, 876692), (44, 438346), (61, 316184), (88, 219173), (122, 158092), (244, 79046), (488, 39523), (671, 28744), (1342, 14372), (2684, 7186), (3593, 5368)]