19531772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 20052388

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 373, 494, 689, 746, 988, 1007, 1378, 1492, 2014, 2756, 4028, 4849, 7087, 9698, 13091, 14174, 19396, 19769, 26182, 28348, 39538, 52364, 79076, 92131, 184262, 256997, 368524, 375611, 513994, 751222, 1027988, 1502444, 4882943, 9765886, 19531772]

約数ペア:

[(1, 19531772), (2, 9765886), (4, 4882943), (13, 1502444), (19, 1027988), (26, 751222), (38, 513994), (52, 375611), (53, 368524), (76, 256997), (106, 184262), (212, 92131), (247, 79076), (373, 52364), (494, 39538), (689, 28348), (746, 26182), (988, 19769), (1007, 19396), (1378, 14174), (1492, 13091), (2014, 9698), (2756, 7087), (4028, 4849)]