18381140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 23229100

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1289, 1426, 2578, 2852, 3565, 5156, 6445, 7130, 12890, 14260, 25780, 29647, 39959, 59294, 79918, 118588, 148235, 159836, 199795, 296470, 399590, 592940, 799180, 919057, 1838114, 3676228, 4595285, 9190570, 18381140]

約数ペア:

[(1, 18381140), (2, 9190570), (4, 4595285), (5, 3676228), (10, 1838114), (20, 919057), (23, 799180), (31, 592940), (46, 399590), (62, 296470), (92, 199795), (115, 159836), (124, 148235), (155, 118588), (230, 79918), (310, 59294), (460, 39959), (620, 29647), (713, 25780), (1289, 14260), (1426, 12890), (2578, 7130), (2852, 6445), (3565, 5156)]