19381479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 32514048

約数和(自身を除く): 13132569

約数列:

[1, 3, 13, 17, 23, 31, 39, 41, 51, 69, 93, 123, 221, 299, 391, 403, 527, 533, 663, 697, 713, 897, 943, 1173, 1209, 1271, 1581, 1599, 2091, 2139, 2829, 3813, 5083, 6851, 9061, 9269, 12121, 12259, 15249, 16031, 16523, 20553, 21607, 27183, 27807, 29233, 36363, 36777, 48093, 49569, 64821, 87699, 157573, 208403, 280891, 380029, 472719, 496961, 625209, 842673, 1140087, 1490883, 6460493, 19381479]

約数ペア:

[(1, 19381479), (3, 6460493), (13, 1490883), (17, 1140087), (23, 842673), (31, 625209), (39, 496961), (41, 472719), (51, 380029), (69, 280891), (93, 208403), (123, 157573), (221, 87699), (299, 64821), (391, 49569), (403, 48093), (527, 36777), (533, 36363), (663, 29233), (697, 27807), (713, 27183), (897, 21607), (943, 20553), (1173, 16523), (1209, 16031), (1271, 15249), (1581, 12259), (1599, 12121), (2091, 9269), (2139, 9061), (2829, 6851), (3813, 5083)]