19858306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 34372800

約数和(自身を除く): 14514494

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 494, 659, 793, 1159, 1318, 1586, 2318, 8567, 12521, 15067, 17134, 25042, 30134, 40199, 80398, 162773, 325546, 522587, 763781, 1045174, 1527562, 9929153, 19858306]

約数ペア:

[(1, 19858306), (2, 9929153), (13, 1527562), (19, 1045174), (26, 763781), (38, 522587), (61, 325546), (122, 162773), (247, 80398), (494, 40199), (659, 30134), (793, 25042), (1159, 17134), (1318, 15067), (1586, 12521), (2318, 8567)]