19908224

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 48029760

約数和(自身を除く): 28121536

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1307, 1904, 2176, 2614, 3808, 5228, 7616, 9149, 10456, 15232, 18298, 20912, 22219, 36596, 41824, 44438, 73192, 83648, 88876, 146384, 155533, 167296, 177752, 292768, 311066, 355504, 585536, 622132, 711008, 1171072, 1244264, 1422016, 2488528, 2844032, 4977056, 9954112, 19908224]

約数ペア:

[(1, 19908224), (2, 9954112), (4, 4977056), (7, 2844032), (8, 2488528), (14, 1422016), (16, 1244264), (17, 1171072), (28, 711008), (32, 622132), (34, 585536), (56, 355504), (64, 311066), (68, 292768), (112, 177752), (119, 167296), (128, 155533), (136, 146384), (224, 88876), (238, 83648), (272, 73192), (448, 44438), (476, 41824), (544, 36596), (896, 22219), (952, 20912), (1088, 18298), (1307, 15232), (1904, 10456), (2176, 9149), (2614, 7616), (3808, 5228)]