18621226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 12626774

約数列:

[1, 2, 13, 26, 59, 61, 118, 122, 199, 398, 767, 793, 1534, 1586, 2587, 3599, 5174, 7198, 11741, 12139, 23482, 24278, 46787, 93574, 152633, 157807, 305266, 315614, 716201, 1432402, 9310613, 18621226]

約数ペア:

[(1, 18621226), (2, 9310613), (13, 1432402), (26, 716201), (59, 315614), (61, 305266), (118, 157807), (122, 152633), (199, 93574), (398, 46787), (767, 24278), (793, 23482), (1534, 12139), (1586, 11741), (2587, 7198), (3599, 5174)]