15635860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 36086400

約数和(自身を除く): 20450540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 1789, 2185, 3578, 4370, 7156, 8740, 8945, 17890, 33991, 35780, 41147, 67982, 82294, 135964, 164588, 169955, 205735, 339910, 411470, 679820, 781793, 822940, 1563586, 3127172, 3908965, 7817930, 15635860]

約数ペア:

[(1, 15635860), (2, 7817930), (4, 3908965), (5, 3127172), (10, 1563586), (19, 822940), (20, 781793), (23, 679820), (38, 411470), (46, 339910), (76, 205735), (92, 169955), (95, 164588), (115, 135964), (190, 82294), (230, 67982), (380, 41147), (437, 35780), (460, 33991), (874, 17890), (1748, 8945), (1789, 8740), (2185, 7156), (3578, 4370)]