19888674

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 46376064

約数和(自身を除く): 26487390

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 53, 78, 102, 106, 159, 221, 283, 318, 442, 566, 663, 689, 849, 901, 1326, 1378, 1698, 1802, 2067, 2703, 3679, 4134, 4811, 5406, 7358, 9622, 11037, 11713, 14433, 14999, 22074, 23426, 28866, 29998, 35139, 44997, 62543, 70278, 89994, 125086, 187629, 194987, 254983, 375258, 389974, 509966, 584961, 764949, 1169922, 1529898, 3314779, 6629558, 9944337, 19888674]

約数ペア:

[(1, 19888674), (2, 9944337), (3, 6629558), (6, 3314779), (13, 1529898), (17, 1169922), (26, 764949), (34, 584961), (39, 509966), (51, 389974), (53, 375258), (78, 254983), (102, 194987), (106, 187629), (159, 125086), (221, 89994), (283, 70278), (318, 62543), (442, 44997), (566, 35139), (663, 29998), (689, 28866), (849, 23426), (901, 22074), (1326, 14999), (1378, 14433), (1698, 11713), (1802, 11037), (2067, 9622), (2703, 7358), (3679, 5406), (4134, 4811)]