18036980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 41129424

約数和(自身を除く): 23092444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 401, 692, 802, 865, 1604, 1730, 2005, 2249, 3460, 4010, 4498, 5213, 8020, 8996, 10426, 11245, 20852, 22490, 26065, 44980, 52130, 69373, 104260, 138746, 277492, 346865, 693730, 901849, 1387460, 1803698, 3607396, 4509245, 9018490, 18036980]

約数ペア:

[(1, 18036980), (2, 9018490), (4, 4509245), (5, 3607396), (10, 1803698), (13, 1387460), (20, 901849), (26, 693730), (52, 346865), (65, 277492), (130, 138746), (173, 104260), (260, 69373), (346, 52130), (401, 44980), (692, 26065), (802, 22490), (865, 20852), (1604, 11245), (1730, 10426), (2005, 8996), (2249, 8020), (3460, 5213), (4010, 4498)]