19800352

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4327}}^1$

素因数の和:4361

約数の個数: 48

約数和(自身を含む): 45807552

約数和(自身を除く): 26007200

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4327, 4576, 8654, 17308, 34616, 47597, 56251, 69232, 95194, 112502, 138464, 190388, 225004, 380776, 450008, 618761, 761552, 900016, 1237522, 1523104, 1800032, 2475044, 4950088, 9900176, 19800352]

約数ペア:

[(1, 19800352), (2, 9900176), (4, 4950088), (8, 2475044), (11, 1800032), (13, 1523104), (16, 1237522), (22, 900016), (26, 761552), (32, 618761), (44, 450008), (52, 380776), (88, 225004), (104, 190388), (143, 138464), (176, 112502), (208, 95194), (286, 69232), (352, 56251), (416, 47597), (572, 34616), (1144, 17308), (2288, 8654), (4327, 4576)]