19329895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 7087769

約数列:

[1, 5, 13, 31, 53, 65, 155, 181, 265, 403, 689, 905, 1643, 2015, 2353, 3445, 5611, 8215, 9593, 11765, 21359, 28055, 47965, 72943, 106795, 124709, 297383, 364715, 623545, 1486915, 3865979, 19329895]

約数ペア:

[(1, 19329895), (5, 3865979), (13, 1486915), (31, 623545), (53, 364715), (65, 297383), (155, 124709), (181, 106795), (265, 72943), (403, 47965), (689, 28055), (905, 21359), (1643, 11765), (2015, 9593), (2353, 8215), (3445, 5611)]