19604912

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 39439440

約数和(自身を除く): 19834528

約数列:

[1, 2, 4, 8, 16, 53, 61, 106, 122, 212, 244, 379, 424, 488, 758, 848, 976, 1516, 3032, 3233, 6064, 6466, 12932, 20087, 23119, 25864, 40174, 46238, 51728, 80348, 92476, 160696, 184952, 321392, 369904, 1225307, 2450614, 4901228, 9802456, 19604912]

約数ペア:

[(1, 19604912), (2, 9802456), (4, 4901228), (8, 2450614), (16, 1225307), (53, 369904), (61, 321392), (106, 184952), (122, 160696), (212, 92476), (244, 80348), (379, 51728), (424, 46238), (488, 40174), (758, 25864), (848, 23119), (976, 20087), (1516, 12932), (3032, 6466), (3233, 6064)]