18484895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 7932769

約数列:

[1, 5, 11, 13, 55, 65, 103, 143, 251, 515, 715, 1133, 1255, 1339, 2761, 3263, 5665, 6695, 13805, 14729, 16315, 25853, 35893, 73645, 129265, 179465, 284383, 336089, 1421915, 1680445, 3696979, 18484895]

約数ペア:

[(1, 18484895), (5, 3696979), (11, 1680445), (13, 1421915), (55, 336089), (65, 284383), (103, 179465), (143, 129265), (251, 73645), (515, 35893), (715, 25853), (1133, 16315), (1255, 14729), (1339, 13805), (2761, 6695), (3263, 5665)]