18597440

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:759

約数の個数: 56

約数和(自身を含む): 44851320

約数和(自身を除く): 26253880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 653, 712, 890, 1306, 1424, 1780, 2612, 2848, 3265, 3560, 5224, 5696, 6530, 7120, 10448, 13060, 14240, 20896, 26120, 28480, 41792, 52240, 58117, 104480, 116234, 208960, 232468, 290585, 464936, 581170, 929872, 1162340, 1859744, 2324680, 3719488, 4649360, 9298720, 18597440]

約数ペア:

[(1, 18597440), (2, 9298720), (4, 4649360), (5, 3719488), (8, 2324680), (10, 1859744), (16, 1162340), (20, 929872), (32, 581170), (40, 464936), (64, 290585), (80, 232468), (89, 208960), (160, 116234), (178, 104480), (320, 58117), (356, 52240), (445, 41792), (653, 28480), (712, 26120), (890, 20896), (1306, 14240), (1424, 13060), (1780, 10448), (2612, 7120), (2848, 6530), (3265, 5696), (3560, 5224)]