19388733

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 34406400

約数和(自身を除く): 15017667

約数列:

[1, 3, 7, 13, 21, 29, 31, 39, 79, 87, 91, 93, 203, 217, 237, 273, 377, 403, 553, 609, 651, 899, 1027, 1131, 1209, 1659, 2291, 2449, 2639, 2697, 2821, 3081, 6293, 6873, 7189, 7347, 7917, 8463, 11687, 16037, 17143, 18879, 21567, 29783, 31837, 35061, 48111, 51429, 71021, 81809, 89349, 95511, 208481, 213063, 222859, 245427, 497147, 625443, 668577, 923273, 1491441, 2769819, 6462911, 19388733]

約数ペア:

[(1, 19388733), (3, 6462911), (7, 2769819), (13, 1491441), (21, 923273), (29, 668577), (31, 625443), (39, 497147), (79, 245427), (87, 222859), (91, 213063), (93, 208481), (203, 95511), (217, 89349), (237, 81809), (273, 71021), (377, 51429), (403, 48111), (553, 35061), (609, 31837), (651, 29783), (899, 21567), (1027, 18879), (1131, 17143), (1209, 16037), (1659, 11687), (2291, 8463), (2449, 7917), (2639, 7347), (2697, 7189), (2821, 6873), (3081, 6293)]