18013625

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 27849744

約数和(自身を除く): 9836119

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 173, 175, 245, 425, 595, 833, 865, 875, 1211, 1225, 2125, 2941, 2975, 4165, 4325, 6055, 6125, 8477, 14705, 14875, 20587, 20825, 21625, 30275, 42385, 73525, 102935, 104125, 144109, 151375, 211925, 367625, 514675, 720545, 1059625, 2573375, 3602725, 18013625]

約数ペア:

[(1, 18013625), (5, 3602725), (7, 2573375), (17, 1059625), (25, 720545), (35, 514675), (49, 367625), (85, 211925), (119, 151375), (125, 144109), (173, 104125), (175, 102935), (245, 73525), (425, 42385), (595, 30275), (833, 21625), (865, 20825), (875, 20587), (1211, 14875), (1225, 14705), (2125, 8477), (2941, 6125), (2975, 6055), (4165, 4325)]