19858618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 14433542

約数列:

[1, 2, 13, 17, 26, 34, 179, 221, 251, 358, 442, 502, 2327, 3043, 3263, 4267, 4654, 6086, 6526, 8534, 39559, 44929, 55471, 79118, 89858, 110942, 584077, 763793, 1168154, 1527586, 9929309, 19858618]

約数ペア:

[(1, 19858618), (2, 9929309), (13, 1527586), (17, 1168154), (26, 763793), (34, 584077), (179, 110942), (221, 89858), (251, 79118), (358, 55471), (442, 44929), (502, 39559), (2327, 8534), (3043, 6526), (3263, 6086), (4267, 4654)]