19121284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 41602176

約数和(自身を除く): 22480892

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 401, 524, 802, 917, 1604, 1703, 1834, 2807, 3406, 3668, 5213, 5614, 6812, 10426, 11228, 11921, 20852, 23842, 36491, 47684, 52531, 72982, 105062, 145964, 210124, 367717, 682903, 735434, 1365806, 1470868, 2731612, 4780321, 9560642, 19121284]

約数ペア:

[(1, 19121284), (2, 9560642), (4, 4780321), (7, 2731612), (13, 1470868), (14, 1365806), (26, 735434), (28, 682903), (52, 367717), (91, 210124), (131, 145964), (182, 105062), (262, 72982), (364, 52531), (401, 47684), (524, 36491), (802, 23842), (917, 20852), (1604, 11921), (1703, 11228), (1834, 10426), (2807, 6812), (3406, 5614), (3668, 5213)]