19615518

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4931}}^1$

素因数の和:4969

約数の個数: 48

約数和(自身を含む): 48471696

約数和(自身を除く): 28856178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4931, 9862, 14793, 29586, 44379, 64103, 83827, 88758, 128206, 167654, 192309, 251481, 384618, 502962, 576927, 754443, 1089751, 1153854, 1508886, 2179502, 3269253, 6538506, 9807759, 19615518]

約数ペア:

[(1, 19615518), (2, 9807759), (3, 6538506), (6, 3269253), (9, 2179502), (13, 1508886), (17, 1153854), (18, 1089751), (26, 754443), (34, 576927), (39, 502962), (51, 384618), (78, 251481), (102, 192309), (117, 167654), (153, 128206), (221, 88758), (234, 83827), (306, 64103), (442, 44379), (663, 29586), (1326, 14793), (1989, 9862), (3978, 4931)]