19430860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 24005876

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 797, 1060, 1219, 1594, 2438, 3188, 3985, 4876, 6095, 7970, 12190, 15940, 18331, 24380, 36662, 42241, 73324, 84482, 91655, 168964, 183310, 211205, 366620, 422410, 844820, 971543, 1943086, 3886172, 4857715, 9715430, 19430860]

約数ペア:

[(1, 19430860), (2, 9715430), (4, 4857715), (5, 3886172), (10, 1943086), (20, 971543), (23, 844820), (46, 422410), (53, 366620), (92, 211205), (106, 183310), (115, 168964), (212, 91655), (230, 84482), (265, 73324), (460, 42241), (530, 36662), (797, 24380), (1060, 18331), (1219, 15940), (1594, 12190), (2438, 7970), (3188, 6095), (3985, 4876)]