18406325

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 28926720

約数和(自身を除く): 10520395

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 269, 391, 425, 575, 595, 805, 1345, 1883, 1955, 2737, 2975, 4025, 4573, 6187, 6725, 9415, 9775, 13685, 22865, 30935, 32011, 43309, 47075, 68425, 105179, 114325, 154675, 160055, 216545, 525895, 736253, 800275, 1082725, 2629475, 3681265, 18406325]

約数ペア:

[(1, 18406325), (5, 3681265), (7, 2629475), (17, 1082725), (23, 800275), (25, 736253), (35, 525895), (85, 216545), (115, 160055), (119, 154675), (161, 114325), (175, 105179), (269, 68425), (391, 47075), (425, 43309), (575, 32011), (595, 30935), (805, 22865), (1345, 13685), (1883, 9775), (1955, 9415), (2737, 6725), (2975, 6187), (4025, 4573)]