19260668

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20656132

約数列:

[1, 2, 4, 7, 14, 28, 59, 89, 118, 131, 178, 236, 262, 356, 413, 524, 623, 826, 917, 1246, 1652, 1834, 2492, 3668, 5251, 7729, 10502, 11659, 15458, 21004, 23318, 30916, 36757, 46636, 54103, 73514, 81613, 108206, 147028, 163226, 216412, 326452, 687881, 1375762, 2751524, 4815167, 9630334, 19260668]

約数ペア:

[(1, 19260668), (2, 9630334), (4, 4815167), (7, 2751524), (14, 1375762), (28, 687881), (59, 326452), (89, 216412), (118, 163226), (131, 147028), (178, 108206), (236, 81613), (262, 73514), (356, 54103), (413, 46636), (524, 36757), (623, 30916), (826, 23318), (917, 21004), (1246, 15458), (1652, 11659), (1834, 10502), (2492, 7729), (3668, 5251)]