19479008

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 41341104

約数和(自身を除く): 21862096

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 587, 976, 1037, 1174, 1952, 2074, 2348, 4148, 4696, 8296, 9392, 9979, 16592, 18784, 19958, 33184, 35807, 39916, 71614, 79832, 143228, 159664, 286456, 319328, 572912, 608719, 1145824, 1217438, 2434876, 4869752, 9739504, 19479008]

約数ペア:

[(1, 19479008), (2, 9739504), (4, 4869752), (8, 2434876), (16, 1217438), (17, 1145824), (32, 608719), (34, 572912), (61, 319328), (68, 286456), (122, 159664), (136, 143228), (244, 79832), (272, 71614), (488, 39916), (544, 35807), (587, 33184), (976, 19958), (1037, 18784), (1174, 16592), (1952, 9979), (2074, 9392), (2348, 8296), (4148, 4696)]