18618340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 42582960

約数和(自身を除く): 23964620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 709, 1010, 1313, 1418, 2020, 2626, 2836, 3545, 5252, 6565, 7090, 9217, 13130, 14180, 18434, 26260, 36868, 46085, 71609, 92170, 143218, 184340, 286436, 358045, 716090, 930917, 1432180, 1861834, 3723668, 4654585, 9309170, 18618340]

約数ペア:

[(1, 18618340), (2, 9309170), (4, 4654585), (5, 3723668), (10, 1861834), (13, 1432180), (20, 930917), (26, 716090), (52, 358045), (65, 286436), (101, 184340), (130, 143218), (202, 92170), (260, 71609), (404, 46085), (505, 36868), (709, 26260), (1010, 18434), (1313, 14180), (1418, 13130), (2020, 9217), (2626, 7090), (2836, 6565), (3545, 5252)]