19005243640

素因数分解:

$2^3\times 5^1\times {\mathrm{30931}}^1\times {\mathrm{15361}}^1$

素因数の和:46303

約数の個数: 32

約数和(自身を含む): 42765964560

約数和(自身を除く): 23760720920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15361, 30722, 30931, 61444, 61862, 76805, 122888, 123724, 153610, 154655, 247448, 307220, 309310, 614440, 618620, 1237240, 475131091, 950262182, 1900524364, 2375655455, 3801048728, 4751310910, 9502621820, 19005243640]

約数ペア:

[(1, 19005243640), (2, 9502621820), (4, 4751310910), (5, 3801048728), (8, 2375655455), (10, 1900524364), (20, 950262182), (40, 475131091), (15361, 1237240), (30722, 618620), (30931, 614440), (61444, 309310), (61862, 307220), (76805, 247448), (122888, 154655), (123724, 153610)]