19820190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50821}}^1$

素因数の和:50844

約数の個数: 32

約数和(自身を含む): 51228576

約数和(自身を除く): 31408386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50821, 101642, 152463, 254105, 304926, 508210, 660673, 762315, 1321346, 1524630, 1982019, 3303365, 3964038, 6606730, 9910095, 19820190]

約数ペア:

[(1, 19820190), (2, 9910095), (3, 6606730), (5, 3964038), (6, 3303365), (10, 1982019), (13, 1524630), (15, 1321346), (26, 762315), (30, 660673), (39, 508210), (65, 304926), (78, 254105), (130, 152463), (195, 101642), (390, 50821)]