19523560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1423}}^1$

素因数の和:1455

約数の個数: 64

約数和(自身を含む): 51264000

約数和(自身を除く): 31740440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1423, 1715, 1960, 2744, 2846, 3430, 5692, 6860, 7115, 9961, 11384, 13720, 14230, 19922, 28460, 39844, 49805, 56920, 69727, 79688, 99610, 139454, 199220, 278908, 348635, 398440, 488089, 557816, 697270, 976178, 1394540, 1952356, 2440445, 2789080, 3904712, 4880890, 9761780, 19523560]

約数ペア:

[(1, 19523560), (2, 9761780), (4, 4880890), (5, 3904712), (7, 2789080), (8, 2440445), (10, 1952356), (14, 1394540), (20, 976178), (28, 697270), (35, 557816), (40, 488089), (49, 398440), (56, 348635), (70, 278908), (98, 199220), (140, 139454), (196, 99610), (245, 79688), (280, 69727), (343, 56920), (392, 49805), (490, 39844), (686, 28460), (980, 19922), (1372, 14230), (1423, 13720), (1715, 11384), (1960, 9961), (2744, 7115), (2846, 6860), (3430, 5692)]