19495300842

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{111347}}^1$

素因数の和:111563

約数の個数: 48

約数和(自身を含む): 43147795392

約数和(自身を除く): 23652494550

約数列:

[1, 2, 3, 6, 9, 18, 71, 137, 142, 213, 274, 411, 426, 639, 822, 1233, 1278, 2466, 9727, 19454, 29181, 58362, 87543, 111347, 175086, 222694, 334041, 668082, 1002123, 2004246, 7905637, 15254539, 15811274, 23716911, 30509078, 45763617, 47433822, 71150733, 91527234, 137290851, 142301466, 274581702, 1083072269, 2166144538, 3249216807, 6498433614, 9747650421, 19495300842]

約数ペア:

[(1, 19495300842), (2, 9747650421), (3, 6498433614), (6, 3249216807), (9, 2166144538), (18, 1083072269), (71, 274581702), (137, 142301466), (142, 137290851), (213, 91527234), (274, 71150733), (411, 47433822), (426, 45763617), (639, 30509078), (822, 23716911), (1233, 15811274), (1278, 15254539), (2466, 7905637), (9727, 2004246), (19454, 1002123), (29181, 668082), (58362, 334041), (87543, 222694), (111347, 175086)]