15423820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 35048160

約数和(自身を除く): 19624340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1097, 1406, 2194, 2812, 3515, 4388, 5485, 7030, 10970, 14060, 20843, 21940, 40589, 41686, 81178, 83372, 104215, 162356, 202945, 208430, 405890, 416860, 771191, 811780, 1542382, 3084764, 3855955, 7711910, 15423820]

約数ペア:

[(1, 15423820), (2, 7711910), (4, 3855955), (5, 3084764), (10, 1542382), (19, 811780), (20, 771191), (37, 416860), (38, 405890), (74, 208430), (76, 202945), (95, 162356), (148, 104215), (185, 83372), (190, 81178), (370, 41686), (380, 40589), (703, 21940), (740, 20843), (1097, 14060), (1406, 10970), (2194, 7030), (2812, 5485), (3515, 4388)]