19304380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 43858080

約数和(自身を除く): 24553700

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1373, 1406, 2746, 2812, 3515, 5492, 6865, 7030, 13730, 14060, 26087, 27460, 50801, 52174, 101602, 104348, 130435, 203204, 254005, 260870, 508010, 521740, 965219, 1016020, 1930438, 3860876, 4826095, 9652190, 19304380]

約数ペア:

[(1, 19304380), (2, 9652190), (4, 4826095), (5, 3860876), (10, 1930438), (19, 1016020), (20, 965219), (37, 521740), (38, 508010), (74, 260870), (76, 254005), (95, 203204), (148, 130435), (185, 104348), (190, 101602), (370, 52174), (380, 50801), (703, 27460), (740, 26087), (1373, 14060), (1406, 13730), (2746, 7030), (2812, 6865), (3515, 5492)]