18489625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 30730752

約数和(自身を除く): 12241127

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 113, 119, 125, 175, 187, 275, 385, 425, 565, 595, 791, 875, 935, 1243, 1309, 1375, 1921, 1925, 2125, 2825, 2975, 3955, 4675, 6215, 6545, 8701, 9605, 9625, 13447, 14125, 14875, 19775, 21131, 23375, 31075, 32725, 43505, 48025, 67235, 98875, 105655, 147917, 155375, 163625, 217525, 240125, 336175, 528275, 739585, 1087625, 1680875, 2641375, 3697925, 18489625]

約数ペア:

[(1, 18489625), (5, 3697925), (7, 2641375), (11, 1680875), (17, 1087625), (25, 739585), (35, 528275), (55, 336175), (77, 240125), (85, 217525), (113, 163625), (119, 155375), (125, 147917), (175, 105655), (187, 98875), (275, 67235), (385, 48025), (425, 43505), (565, 32725), (595, 31075), (791, 23375), (875, 21131), (935, 19775), (1243, 14875), (1309, 14125), (1375, 13447), (1921, 9625), (1925, 9605), (2125, 8701), (2825, 6545), (2975, 6215), (3955, 4675)]